Staging: unisys: Remove RETINT macro

The RETINT macro included a goto statement which is not allowed in the
kernel.

Signed-off-by: Ken Cox <jkc@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/include/timskmod.h b/drivers/staging/unisys/include/timskmod.h
index 3f8e6a2fd8c74a47032a10ec288c79bd4d73c84a..5fd5ad5144645878d43df593cbf109bd4abed26e 100644 (file)
--- a/drivers/staging/unisys/include/timskmod.h
+++ b/drivers/staging/unisys/include/timskmod.h
@@ -122,10 +122,6 @@ typedef long VMMIO32;/**< #VMMIO pointing to 32-bit data */
 #define RETTRACE(x)
 #endif
 
-/** return from an int function, using a common exit point "Away"
- *  @param x the value to return
- */
-#define RETINT(x)  do { rc = (x); RETTRACE(x); goto Away; } while (0)
 /** Try to evaulate the provided expression, and do a RETINT(x) iff
  *  the expression evaluates to < 0.
  *  @param x the expression to try

diff --git a/drivers/staging/unisys/uislib/uisqueue.c b/drivers/staging/unisys/uislib/uisqueue.c
index 91b03ed829ef9fd52c8cd4d4ac954a504327ea6e..40598ff1f4f2f84680cfc056e44e3d36cb8e8a1e 100644 (file)
--- a/drivers/staging/unisys/uislib/uisqueue.c
+++ b/drivers/staging/unisys/uislib/uisqueue.c
@@ -28,8 +28,6 @@
 #define CURRENT_FILE_PC UISLIB_PC_uisqueue_c
 #define __MYFILE__ "uisqueue.c"
 
-#define RETINT(x)  do { rc = (x); goto Away; } while (0)
-
 #define CHECK_CACHE_ALIGN 0
 
 /*****************************************************/
@@ -91,13 +89,13 @@ do_locked_client_insert(struct uisqueue_info *queueinfo,
        locked = 1;
 
        if (!ULTRA_CHANNEL_CLIENT_ACQUIRE_OS(queueinfo->chan, channelId, NULL))
-               RETINT(0);
+               goto Away;
 
        acquired = 1;
 
        queueWasEmpty = visor_signalqueue_empty(queueinfo->chan, whichqueue);
        if (!visor_signal_insert(queueinfo->chan, whichqueue, pSignal))
-               RETINT(0);
+               goto Away;
        ULTRA_CHANNEL_CLIENT_RELEASE_OS(queueinfo->chan, channelId, NULL);
        acquired = 0;
        spin_unlock_irqrestore(lock, flags);
@@ -105,8 +103,7 @@ do_locked_client_insert(struct uisqueue_info *queueinfo,
 
        queueinfo->packets_sent++;
 
-       RETINT(1);
-
+       rc = 1;
 Away:
        if (acquired) {
                ULTRA_CHANNEL_CLIENT_RELEASE_OS(queueinfo->chan, channelId,

diff --git a/drivers/staging/unisys/visorchannel/visorchannel_funcs.c b/drivers/staging/unisys/visorchannel/visorchannel_funcs.c
index 8a200af3f0c8c7432e051983a63ed12f84a3b09b..053681616ba32f6511f24df662c950981e9d50a3 100644 (file)
--- a/drivers/staging/unisys/visorchannel/visorchannel_funcs.c
+++ b/drivers/staging/unisys/visorchannel/visorchannel_funcs.c
@@ -250,7 +250,7 @@ visorchannel_clear(VISORCHANNEL *channel, ulong offset, U8 ch, ulong nbytes)
 
        if (buf == NULL) {
                ERRDRV("%s failed memory allocation", __func__);
-               RETINT(-1);
+               goto Away;
        }
        memset(buf, ch, bufsize);
        while (nbytes > 0) {
@@ -260,12 +260,14 @@ visorchannel_clear(VISORCHANNEL *channel, ulong offset, U8 ch, ulong nbytes)
                        thisbytes = nbytes;
                x = visor_memregion_write(channel->memregion, offset + written,
                                          buf, thisbytes);
-               if (x < 0)
-                       RETINT(x);
+               if (x < 0) {
+                       rc = x;
+                       goto Away;
+               }
                written += thisbytes;
                nbytes -= thisbytes;
        }
-       RETINT(0);
+       rc = 0;
 
 Away:
        if (buf != NULL) {

diff --git a/drivers/staging/unisys/visorchipset/file.c b/drivers/staging/unisys/visorchipset/file.c
index 839a943a52c8ed190ad73dda614e0a1dc39f26bd..e214a115328290347f724753854a44f42d0b9e98 100644 (file)
--- a/drivers/staging/unisys/visorchipset/file.c
+++ b/drivers/staging/unisys/visorchipset/file.c
@@ -71,7 +71,7 @@ visorchipset_file_init(dev_t majorDev, VISORCHANNEL **pControlVm_channel)
                if (alloc_chrdev_region(&MajorDev, 0, 1, MYDRVNAME) < 0) {
                        ERRDRV("Unable to allocate+register char device %s",
                               MYDRVNAME);
-                       RETINT(-1);
+                       goto Away;
                }
                Registered = TRUE;
                INFODRV("New major number %d registered\n", MAJOR(MajorDev));
@@ -79,19 +79,18 @@ visorchipset_file_init(dev_t majorDev, VISORCHANNEL **pControlVm_channel)
                /* static major device number registration required */
                if (register_chrdev_region(MajorDev, 1, MYDRVNAME) < 0) {
                        ERRDRV("Unable to register char device %s", MYDRVNAME);
-                       RETINT(-1);
+                       goto Away;
                }
                Registered = TRUE;
                INFODRV("Static major number %d registered\n", MAJOR(MajorDev));
        }
        if (cdev_add(&Cdev, MKDEV(MAJOR(MajorDev), 0), 1) < 0) {
-               ERRDRV("failed to create char device: (status=-1)\n");
-               rc = -1;
+               ERRDRV("failed to create char device: (status=%d)\n", rc);
                goto Away;
        }
        INFODRV("Registered char device for %s (major=%d)",
                MYDRVNAME, MAJOR(MajorDev));
-       RETINT(0);
+       rc = 0;
 Away:
        return rc;
 }
@@ -119,9 +118,9 @@ visorchipset_open(struct inode *inode, struct file *file)
 
        DEBUGDRV("%s", __func__);
        if (minor_number != 0)
-               RETINT(-ENODEV);
+               goto Away;
        file->private_data = NULL;
-       RETINT(0);
+       rc = 0;
 Away:
        if (rc < 0)
                ERRDRV("%s minor=%d failed", __func__, minor_number);
@@ -131,11 +130,8 @@ Away:
 static int
 visorchipset_release(struct inode *inode, struct file *file)
 {
-       int rc = -1;
        DEBUGDRV("%s", __func__);
-       RETINT(0);
-Away:
-       return rc;
+       return 0;
 }
 
 static int
@@ -202,25 +198,28 @@ visorchipset_ioctl(struct inode *inode, struct file *file,
                /* get the physical rtc offset */
                vrtc_offset = Issue_VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET();
                if (copy_to_user
-                   ((void __user *)arg, &vrtc_offset, sizeof(vrtc_offset)))
-                       RETINT(-EFAULT);
+                   ((void __user *)arg, &vrtc_offset, sizeof(vrtc_offset))) {
+                       rc = -EFAULT;
+                       goto Away;
+               }
                DBGINF("insde visorchipset_ioctl, cmd=%d, vrtc_offset=%lld",
                       cmd, vrtc_offset);
                break;
        case VMCALL_UPDATE_PHYSICAL_TIME:
                if (copy_from_user
-                   (&adjustment, (void __user *)arg, sizeof(adjustment)))
-                       RETINT(-EFAULT);
+                   (&adjustment, (void __user *)arg, sizeof(adjustment))) {
+                       rc = -EFAULT;
+                       goto Away;
+               }
                DBGINF("insde visorchipset_ioctl, cmd=%d, adjustment=%lld", cmd,
                       adjustment);
                rc = Issue_VMCALL_UPDATE_PHYSICAL_TIME(adjustment);
                break;
        default:
                LOGERR("visorchipset_ioctl received invalid command");
-               RETINT(-EFAULT);
+               rc = -EFAULT;
                break;
        }
-       RETINT(rc);
 Away:
        DBGINF("exiting %d!", rc);
        return rc;

diff --git a/drivers/staging/unisys/visorchipset/visorchipset_main.c b/drivers/staging/unisys/visorchipset/visorchipset_main.c
index b2355d9304885a06cafa0d58e1b463341d0b6ce8..8252ca14695dd39fe50faacbbde56c800131f8ed 100644 (file)
--- a/drivers/staging/unisys/visorchipset/visorchipset_main.c
+++ b/drivers/staging/unisys/visorchipset/visorchipset_main.c
@@ -631,7 +631,8 @@ chipset_init(CONTROLVM_MESSAGE *inmsg)
        POSTCODE_LINUX_2(CHIPSET_INIT_ENTRY_PC, POSTCODE_SEVERITY_INFO);
        if (chipset_inited) {
                LOGERR("CONTROLVM_CHIPSET_INIT Failed: Already Done.");
-               RETINT(-CONTROLVM_RESP_ERROR_ALREADY_DONE);
+               rc = -CONTROLVM_RESP_ERROR_ALREADY_DONE;
+               goto Away;
        }
        chipset_inited = 1;
        POSTCODE_LINUX_2(CHIPSET_INIT_EXIT_PC, POSTCODE_SEVERITY_INFO);
@@ -1079,7 +1080,8 @@ bus_create(CONTROLVM_MESSAGE *inmsg)
                       busNo);
                POSTCODE_LINUX_3(BUS_CREATE_FAILURE_PC, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_ALREADY_DONE);
+               rc = -CONTROLVM_RESP_ERROR_ALREADY_DONE;
+               goto Away;
        }
        pBusInfo = kzalloc(sizeof(VISORCHIPSET_BUS_INFO), GFP_KERNEL);
        if (pBusInfo == NULL) {
@@ -1087,7 +1089,8 @@ bus_create(CONTROLVM_MESSAGE *inmsg)
                       busNo);
                POSTCODE_LINUX_3(BUS_CREATE_FAILURE_PC, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_KMALLOC_FAILED);
+               rc = -CONTROLVM_RESP_ERROR_KMALLOC_FAILED;
+               goto Away;
        }
 
        INIT_LIST_HEAD(&pBusInfo->entry);
@@ -1127,12 +1130,14 @@ bus_destroy(CONTROLVM_MESSAGE *inmsg)
        pBusInfo = findbus(&BusInfoList, busNo);
        if (!pBusInfo) {
                LOGERR("CONTROLVM_BUS_DESTROY Failed: bus %lu invalid", busNo);
-               RETINT(-CONTROLVM_RESP_ERROR_BUS_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_BUS_INVALID;
+               goto Away;
        }
        if (pBusInfo->state.created == 0) {
                LOGERR("CONTROLVM_BUS_DESTROY Failed: bus %lu already destroyed",
                     busNo);
-               RETINT(-CONTROLVM_RESP_ERROR_ALREADY_DONE);
+               rc = -CONTROLVM_RESP_ERROR_ALREADY_DONE;
+               goto Away;
        }
 
 Away:
@@ -1158,14 +1163,16 @@ bus_configure(CONTROLVM_MESSAGE *inmsg, PARSER_CONTEXT *parser_ctx)
                       busNo);
                POSTCODE_LINUX_3(BUS_CONFIGURE_FAILURE_PC, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_BUS_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_BUS_INVALID;
+               goto Away;
        }
        if (pBusInfo->state.created == 0) {
                LOGERR("CONTROLVM_BUS_CONFIGURE Failed: Invalid bus %lu - not created yet",
                     busNo);
                POSTCODE_LINUX_3(BUS_CONFIGURE_FAILURE_PC, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_BUS_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_BUS_INVALID;
+               goto Away;
        }
        /* TBD - add this check to other commands also... */
        if (pBusInfo->pendingMsgHdr.Id != CONTROLVM_INVALID) {
@@ -1173,7 +1180,8 @@ bus_configure(CONTROLVM_MESSAGE *inmsg, PARSER_CONTEXT *parser_ctx)
                     busNo, (uint) pBusInfo->pendingMsgHdr.Id);
                POSTCODE_LINUX_3(BUS_CONFIGURE_FAILURE_PC, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_MESSAGE_ID_INVALID_FOR_CLIENT);
+               rc = -CONTROLVM_RESP_ERROR_MESSAGE_ID_INVALID_FOR_CLIENT;
+               goto Away;
        }
 
        pBusInfo->partitionHandle = cmd->configureBus.guestHandle;
@@ -1189,7 +1197,8 @@ bus_configure(CONTROLVM_MESSAGE *inmsg, PARSER_CONTEXT *parser_ctx)
                     busNo);
                POSTCODE_LINUX_3(BUS_CONFIGURE_FAILURE_PC, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_KMALLOC_FAILED);
+               rc = -CONTROLVM_RESP_ERROR_KMALLOC_FAILED;
+               goto Away;
        }
        POSTCODE_LINUX_3(BUS_CONFIGURE_EXIT_PC, busNo, POSTCODE_SEVERITY_INFO);
 Away:
@@ -1213,7 +1222,8 @@ my_device_create(CONTROLVM_MESSAGE *inmsg)
                     busNo, devNo);
                POSTCODE_LINUX_4(DEVICE_CREATE_FAILURE_PC, devNo, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_ALREADY_DONE);
+               rc = -CONTROLVM_RESP_ERROR_ALREADY_DONE;
+               goto Away;
        }
        pBusInfo = findbus(&BusInfoList, busNo);
        if (!pBusInfo) {
@@ -1221,14 +1231,16 @@ my_device_create(CONTROLVM_MESSAGE *inmsg)
                     busNo);
                POSTCODE_LINUX_4(DEVICE_CREATE_FAILURE_PC, devNo, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_BUS_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_BUS_INVALID;
+               goto Away;
        }
        if (pBusInfo->state.created == 0) {
                LOGERR("CONTROLVM_DEVICE_CREATE Failed: Invalid bus %lu - not created yet",
                     busNo);
                POSTCODE_LINUX_4(DEVICE_CREATE_FAILURE_PC, devNo, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_BUS_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_BUS_INVALID;
+               goto Away;
        }
        pDevInfo = kzalloc(sizeof(VISORCHIPSET_DEVICE_INFO), GFP_KERNEL);
        if (pDevInfo == NULL) {
@@ -1236,7 +1248,8 @@ my_device_create(CONTROLVM_MESSAGE *inmsg)
                     busNo, devNo);
                POSTCODE_LINUX_4(DEVICE_CREATE_FAILURE_PC, devNo, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_KMALLOC_FAILED);
+               rc = -CONTROLVM_RESP_ERROR_KMALLOC_FAILED;
+               goto Away;
        }
 
        INIT_LIST_HEAD(&pDevInfo->entry);
@@ -1287,14 +1300,15 @@ my_device_changestate(CONTROLVM_MESSAGE *inmsg)
                     busNo, devNo);
                POSTCODE_LINUX_4(DEVICE_CHANGESTATE_FAILURE_PC, devNo, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_DEVICE_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_DEVICE_INVALID;
+               goto Away;
        }
        if (pDevInfo->state.created == 0) {
                LOGERR("CONTROLVM_DEVICE_CHANGESTATE Failed: busNo=%lu, devNo=%lu invalid (not created)",
                     busNo, devNo);
                POSTCODE_LINUX_4(DEVICE_CHANGESTATE_FAILURE_PC, devNo, busNo,
                                 POSTCODE_SEVERITY_ERR);
-               RETINT(-CONTROLVM_RESP_ERROR_DEVICE_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_DEVICE_INVALID;
        }
 Away:
        if ((rc >= CONTROLVM_RESP_SUCCESS) && pDevInfo)
@@ -1317,12 +1331,13 @@ my_device_destroy(CONTROLVM_MESSAGE *inmsg)
        if (!pDevInfo) {
                LOGERR("CONTROLVM_DEVICE_DESTROY Failed: busNo=%lu, devNo=%lu invalid",
                     busNo, devNo);
-               RETINT(-CONTROLVM_RESP_ERROR_DEVICE_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_DEVICE_INVALID;
+               goto Away;
        }
        if (pDevInfo->state.created == 0) {
                LOGERR("CONTROLVM_DEVICE_DESTROY Failed: busNo=%lu, devNo=%lu already destroyed",
                     busNo, devNo);
-               RETINT(-CONTROLVM_RESP_ERROR_ALREADY_DONE);
+               rc = -CONTROLVM_RESP_ERROR_ALREADY_DONE;
        }
 
 Away:
@@ -1349,19 +1364,22 @@ initialize_controlvm_payload_info(HOSTADDRESS phys_addr, U64 offset, U32 bytes,
        if (info == NULL) {
                LOGERR("HUH ? CONTROLVM_PAYLOAD_INIT Failed : Programmer check at %s:%d",
                     __FILE__, __LINE__);
-               RETINT(-CONTROLVM_RESP_ERROR_PAYLOAD_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_PAYLOAD_INVALID;
+               goto Away;
        }
        memset(info, 0, sizeof(CONTROLVM_PAYLOAD_INFO));
        if ((offset == 0) || (bytes == 0)) {
                LOGERR("CONTROLVM_PAYLOAD_INIT Failed: RequestPayloadOffset=%llu RequestPayloadBytes=%llu!",
                     (u64) offset, (u64) bytes);
-               RETINT(-CONTROLVM_RESP_ERROR_PAYLOAD_INVALID);
+               rc = -CONTROLVM_RESP_ERROR_PAYLOAD_INVALID;
+               goto Away;
        }
        payload = ioremap_cache(phys_addr + offset, bytes);
        if (payload == NULL) {
                LOGERR("CONTROLVM_PAYLOAD_INIT Failed: ioremap_cache %llu for %llu bytes failed",
                     (u64) offset, (u64) bytes);
-               RETINT(-CONTROLVM_RESP_ERROR_IOREMAP_FAILED);
+               rc = -CONTROLVM_RESP_ERROR_IOREMAP_FAILED;
+               goto Away;
        }
 
        info->offset = offset;
@@ -2796,10 +2814,8 @@ visorchipset_init(void)
        }
        LOGINF("visorchipset device created");
        POSTCODE_LINUX_2(CHIPSET_INIT_SUCCESS_PC, POSTCODE_SEVERITY_INFO);
-       RETINT(0);
-
+       rc = 0;
 Away:
-
        if (rc) {
                LOGERR("visorchipset_init failed");
                POSTCODE_LINUX_3(CHIPSET_INIT_FAILURE_PC, rc,

diff --git a/drivers/staging/unisys/visorutil/charqueue.c b/drivers/staging/unisys/visorutil/charqueue.c
index c1375ed1c0980e43b0b41d536a5de67a188e1318..0ceede129e8720f42cc194a987b7f55e4a1ee982 100644 (file)
--- a/drivers/staging/unisys/visorutil/charqueue.c
+++ b/drivers/staging/unisys/visorutil/charqueue.c
@@ -98,11 +98,10 @@ static int charqueue_dequeue_1(CHARQUEUE *charqueue)
 
 int charqueue_dequeue(CHARQUEUE *charqueue)
 {
-       int rc = -1;
+       int rc;
 
        spin_lock(&charqueue->lock);
-       RETINT(charqueue_dequeue_1(charqueue));
-Away:
+       rc = charqueue_dequeue_1(charqueue);
        spin_unlock(&charqueue->lock);
        return rc;
 }
@@ -111,7 +110,7 @@ Away:
 
 int visor_charqueue_dequeue_n(CHARQUEUE *charqueue, unsigned char *buf, int n)
 {
-       int rc = -1, counter = 0, c;
+       int rc, counter = 0, c;
 
        spin_lock(&charqueue->lock);
        for (;;) {
@@ -125,9 +124,7 @@ int visor_charqueue_dequeue_n(CHARQUEUE *charqueue, unsigned char *buf, int n)
                n--;
                counter++;
        }
-       RETINT(counter);
-
-Away:
+       rc = counter;
        spin_unlock(&charqueue->lock);
        return rc;
 }