mtd: Convert logging messages

Use a more current logging style.

Convert homegrown ERROR/INFO macros to pr_<level>.
Convert homegrown parse_err macros to pr_err and
expand hidden flow control.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index e081bfeaaf7da1941c9dc243856c3ab2ba9abde2..5cb4c04726b2e0eb58dd6452b293602f82fa1945 100644 (file)
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -6,6 +6,9 @@
  *
  * Licence: GPL
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/fs.h>
 #include <linux/blkdev.h>
@@ -18,10 +21,6 @@
 #include <linux/mount.h>
 #include <linux/slab.h>
 
-#define ERROR(fmt, args...) printk(KERN_ERR "block2mtd: " fmt "\n" , ## args)
-#define INFO(fmt, args...) printk(KERN_INFO "block2mtd: " fmt "\n" , ## args)
-
-
 /* Info for the block device */
 struct block2mtd_dev {
        struct list_head list;
@@ -84,7 +83,7 @@ static int block2mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
        err = _block2mtd_erase(dev, from, len);
        mutex_unlock(&dev->write_mutex);
        if (err) {
-               ERROR("erase failed err = %d", err);
+               pr_err("erase failed err = %d\n", err);
                instr->state = MTD_ERASE_FAILED;
        } else
                instr->state = MTD_ERASE_DONE;
@@ -239,13 +238,13 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
 #endif
 
        if (IS_ERR(bdev)) {
-               ERROR("error: cannot open device %s", devname);
+               pr_err("error: cannot open device %s\n", devname);
                goto devinit_err;
        }
        dev->blkdev = bdev;
 
        if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
-               ERROR("attempting to use an MTD device as a block device");
+               pr_err("attempting to use an MTD device as a block device\n");
                goto devinit_err;
        }
 
@@ -277,9 +276,10 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
                goto devinit_err;
        }
        list_add(&dev->list, &blkmtd_device_list);
-       INFO("mtd%d: [%s] erase_size = %dKiB [%d]", dev->mtd.index,
-                       dev->mtd.name + strlen("block2mtd: "),
-                       dev->mtd.erasesize >> 10, dev->mtd.erasesize);
+       pr_info("mtd%d: [%s] erase_size = %dKiB [%d]\n",
+               dev->mtd.index,
+               dev->mtd.name + strlen("block2mtd: "),
+               dev->mtd.erasesize >> 10, dev->mtd.erasesize);
        return dev;
 
 devinit_err:
@@ -339,17 +339,11 @@ static inline void kill_final_newline(char *str)
 }
 
 
-#define parse_err(fmt, args...) do {   \
-       ERROR(fmt, ## args);            \
-       return 0;                       \
-} while (0)
-
 #ifndef MODULE
 static int block2mtd_init_called = 0;
 static char block2mtd_paramline[80 + 12]; /* 80 for device, 12 for erase size */
 #endif
 
-
 static int block2mtd_setup2(const char *val)
 {
        char buf[80 + 12]; /* 80 for device, 12 for erase size */
@@ -359,8 +353,10 @@ static int block2mtd_setup2(const char *val)
        size_t erase_size = PAGE_SIZE;
        int i, ret;
 
-       if (strnlen(val, sizeof(buf)) >= sizeof(buf))
-               parse_err("parameter too long");
+       if (strnlen(val, sizeof(buf)) >= sizeof(buf)) {
+               pr_err("parameter too long\n");
+               return 0;
+       }
 
        strcpy(str, val);
        kill_final_newline(str);
@@ -368,20 +364,27 @@ static int block2mtd_setup2(const char *val)
        for (i = 0; i < 2; i++)
                token[i] = strsep(&str, ",");
 
-       if (str)
-               parse_err("too many arguments");
+       if (str) {
+               pr_err("too many arguments\n");
+               return 0;
+       }
 
-       if (!token[0])
-               parse_err("no argument");
+       if (!token[0]) {
+               pr_err("no argument\n");
+               return 0;
+       }
 
        name = token[0];
-       if (strlen(name) + 1 > 80)
-               parse_err("device name too long");
+       if (strlen(name) + 1 > 80) {
+               pr_err("device name too long\n");
+               return 0;
+       }
 
        if (token[1]) {
                ret = parse_num(&erase_size, token[1]);
                if (ret) {
-                       parse_err("illegal erase size");
+                       pr_err("illegal erase size\n");
+                       return 0;
                }
        }
 
@@ -444,8 +447,9 @@ static void block2mtd_exit(void)
                struct block2mtd_dev *dev = list_entry(pos, typeof(*dev), list);
                block2mtd_sync(&dev->mtd);
                mtd_device_unregister(&dev->mtd);
-               INFO("mtd%d: [%s] removed", dev->mtd.index,
-                               dev->mtd.name + strlen("block2mtd: "));
+               pr_info("mtd%d: [%s] removed\n",
+                       dev->mtd.index,
+                       dev->mtd.name + strlen("block2mtd: "));
                list_del(&dev->list);
                block2mtd_free_device(dev);
        }