From: Luca Ellero Date: Thu, 10 Jul 2014 09:02:05 +0000 (+0200) Subject: staging: ced1401: fix ced_ioctl() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4d1f2b7159a30e7a6f67f84e6332892ce44d8c1f;p=linux-beck.git staging: ced1401: fix ced_ioctl() Rename camel case arguments and locals in function ced_ioctl() Signed-off-by: Luca Ellero Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/ced1401/usb1401.c b/drivers/staging/ced1401/usb1401.c index 122d521a8431..c8685c1a87cb 100644 --- a/drivers/staging/ced1401/usb1401.c +++ b/drivers/staging/ced1401/usb1401.c @@ -1332,28 +1332,34 @@ int ced_allowi(struct ced_data *ced) ** The ioctl entry point to the driver that is used by us to talk to it. ** inode The device node (no longer in 3.0.0 kernels) ** file The file that is open, which holds our ced pointer -** ulArg The argument passed in. Note that long is 64-bits in 64-bit system, i.e. it is big -** enough for a 64-bit pointer. +** arg The argument passed in. Note that long is 64-bits in 64-bit system, +** i.e. it is big enough for a 64-bit pointer. *****************************************************************************/ -static long ced_ioctl(struct file *file, unsigned int cmd, unsigned long ulArg) +static long ced_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int err = 0; struct ced_data *ced = file->private_data; if (!can_accept_io_requests(ced)) /* check we still exist */ return -ENODEV; - /* Check that access is allowed, where is is needed. Anything that would have an indeterminate */ - /* size will be checked by the specific command. */ - if (_IOC_DIR(cmd) & _IOC_READ) /* read from point of view of user... */ - err = !access_ok(VERIFY_WRITE, (void __user *)ulArg, _IOC_SIZE(cmd)); /* is kernel write */ - else if (_IOC_DIR(cmd) & _IOC_WRITE) /* and write from point of view of user... */ - err = !access_ok(VERIFY_READ, (void __user *)ulArg, _IOC_SIZE(cmd)); /* is kernel read */ + /* Check that access is allowed, where is is needed. Anything that */ + /* would have an indeterminate size will be checked by the */ + /* specific command. */ + if (_IOC_DIR(cmd) & _IOC_READ) /* read from point of view of user... */ + /* is kernel write */ + err = !access_ok(VERIFY_WRITE, + (void __user *)arg, _IOC_SIZE(cmd)); + else if (_IOC_DIR(cmd) & _IOC_WRITE) /* and write from point of */ + /* view of user... */ + /* is kernel read */ + err = !access_ok(VERIFY_READ, + (void __user *)arg, _IOC_SIZE(cmd)); if (err) return -EFAULT; switch (_IOC_NR(cmd)) { case _IOC_NR(IOCTL_CED_SENDSTRING(0)): - return ced_send_string(ced, (const char __user *)ulArg, + return ced_send_string(ced, (const char __user *)arg, _IOC_SIZE(cmd)); case _IOC_NR(IOCTL_CED_RESET1401): @@ -1363,7 +1369,7 @@ static long ced_ioctl(struct file *file, unsigned int cmd, unsigned long ulArg) return ced_get_char(ced); case _IOC_NR(IOCTL_CED_SENDCHAR): - return ced_send_char(ced, (char)ulArg); + return ced_send_char(ced, (char)arg); case _IOC_NR(IOCTL_CED_STAT1401): return ced_stat_1401(ced); @@ -1372,16 +1378,18 @@ static long ced_ioctl(struct file *file, unsigned int cmd, unsigned long ulArg) return ced_line_count(ced); case _IOC_NR(IOCTL_CED_GETSTRING(0)): - return ced_get_string(ced, (char __user *)ulArg, _IOC_SIZE(cmd)); + return ced_get_string(ced, (char __user *)arg, _IOC_SIZE(cmd)); case _IOC_NR(IOCTL_CED_SETTRANSFER): - return ced_set_transfer(ced, (struct transfer_area_desc __user *) ulArg); + return ced_set_transfer(ced, + (struct transfer_area_desc __user *) arg); case _IOC_NR(IOCTL_CED_UNSETTRANSFER): - return ced_unset_transfer(ced, (int)ulArg); + return ced_unset_transfer(ced, (int)arg); case _IOC_NR(IOCTL_CED_SETEVENT): - return ced_set_event(ced, (struct transfer_event __user *) ulArg); + return ced_set_event(ced, + (struct transfer_event __user *) arg); case _IOC_NR(IOCTL_CED_GETOUTBUFSPACE): return ced_get_out_buf_space(ced); @@ -1390,10 +1398,11 @@ static long ced_ioctl(struct file *file, unsigned int cmd, unsigned long ulArg) return -1; case _IOC_NR(IOCTL_CED_GETDRIVERREVISION): - return (2 << 24) | (DRIVERMAJREV << 16) | DRIVERMINREV; /* USB | MAJOR | MINOR */ + /* USB | MAJOR | MINOR */ + return (2 << 24) | (DRIVERMAJREV << 16) | DRIVERMINREV; case _IOC_NR(IOCTL_CED_GETTRANSFER): - return ced_get_transfer(ced, (TGET_TX_BLOCK __user *) ulArg); + return ced_get_transfer(ced, (TGET_TX_BLOCK __user *) arg); case _IOC_NR(IOCTL_CED_KILLIO1401): return ced_kill_io(ced); @@ -1409,7 +1418,7 @@ static long ced_ioctl(struct file *file, unsigned int cmd, unsigned long ulArg) return ced_start_self_test(ced); case _IOC_NR(IOCTL_CED_CHECKSELFTEST): - return ced_check_self_test(ced, (TGET_SELFTEST __user *) ulArg); + return ced_check_self_test(ced, (TGET_SELFTEST __user *) arg); case _IOC_NR(IOCTL_CED_TYPEOF1401): return ced_type_of_1401(ced); @@ -1418,19 +1427,19 @@ static long ced_ioctl(struct file *file, unsigned int cmd, unsigned long ulArg) return ced_transfer_flags(ced); case _IOC_NR(IOCTL_CED_DBGPEEK): - return ced_dbg_peek(ced, (TDBGBLOCK __user *) ulArg); + return ced_dbg_peek(ced, (TDBGBLOCK __user *) arg); case _IOC_NR(IOCTL_CED_DBGPOKE): - return ced_dbg_poke(ced, (TDBGBLOCK __user *) ulArg); + return ced_dbg_poke(ced, (TDBGBLOCK __user *) arg); case _IOC_NR(IOCTL_CED_DBGRAMPDATA): - return ced_dbg_ramp_data(ced, (TDBGBLOCK __user *) ulArg); + return ced_dbg_ramp_data(ced, (TDBGBLOCK __user *) arg); case _IOC_NR(IOCTL_CED_DBGRAMPADDR): - return ced_dbg_ramp_addr(ced, (TDBGBLOCK __user *) ulArg); + return ced_dbg_ramp_addr(ced, (TDBGBLOCK __user *) arg); case _IOC_NR(IOCTL_CED_DBGGETDATA): - return ced_dbg_get_data(ced, (TDBGBLOCK __user *) ulArg); + return ced_dbg_get_data(ced, (TDBGBLOCK __user *) arg); case _IOC_NR(IOCTL_CED_DBGSTOPLOOP): return ced_dbg_stop_loop(ced); @@ -1440,19 +1449,20 @@ static long ced_ioctl(struct file *file, unsigned int cmd, unsigned long ulArg) break; case _IOC_NR(IOCTL_CED_SETCIRCULAR): - return ced_set_circular(ced, (struct transfer_area_desc __user *) ulArg); + return ced_set_circular(ced, + (struct transfer_area_desc __user *) arg); case _IOC_NR(IOCTL_CED_GETCIRCBLOCK): - return ced_get_circ_block(ced, (TCIRCBLOCK __user *) ulArg); + return ced_get_circ_block(ced, (TCIRCBLOCK __user *) arg); case _IOC_NR(IOCTL_CED_FREECIRCBLOCK): - return ced_free_circ_block(ced, (TCIRCBLOCK __user *) ulArg); + return ced_free_circ_block(ced, (TCIRCBLOCK __user *) arg); case _IOC_NR(IOCTL_CED_WAITEVENT): - return ced_wait_event(ced, (int)(ulArg & 0xff), (int)(ulArg >> 8)); + return ced_wait_event(ced, (int)(arg & 0xff), (int)(arg >> 8)); case _IOC_NR(IOCTL_CED_TESTEVENT): - return ced_test_event(ced, (int)ulArg); + return ced_test_event(ced, (int)arg); default: return U14ERR_NO_SUCH_FN;