[PATCH] mtd: fixed few coding style and indentation issues

[Saumya Ranjan Kuanr]

From: Saumya Ranjan Kuanr <skuanr@xxxxxxx>

fixed few coding style and indentatiuon issues

signed-off-by: Saumya Ranjan Kuanr <saumyakuanr@xxxxxxxxx>
---
 drivers/mtd/mtdchar.c |   42 ++++++++++++++++++++----------------------
 1 file changed, 20 insertions(+), 22 deletions(-)

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 684bfa3..b008744 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -32,6 +32,7 @@
 #include <linux/mount.h>
 #include <linux/blkpg.h>
 #include <linux/magic.h>
+#include <linux/major.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/map.h>
@@ -181,8 +182,8 @@ static ssize_t mtdchar_read(struct file *file, char __user *buf, size_t count,
 	struct mtd_file_info *mfi = file->private_data;
 	struct mtd_info *mtd = mfi->mtd;
 	size_t retlen;
-	size_t total_retlen=0;
-	int ret=0;
+	size_t total_retlen = 0;
+	int ret = 0;
 	int len;
 	size_t size = count;
 	char *kbuf;
@@ -241,16 +242,14 @@ static ssize_t mtdchar_read(struct file *file, char __user *buf, size_t count,
 			if (copy_to_user(buf, kbuf, retlen)) {
 				kfree(kbuf);
 				return -EFAULT;
-			}
-			else
+			} else
 				total_retlen += retlen;
 
 			count -= retlen;
 			buf += retlen;
 			if (retlen == 0)
 				count = 0;
-		}
-		else {
+		} else {
 			kfree(kbuf);
 			return ret;
 		}
@@ -269,8 +268,8 @@ static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t c
 	size_t size = count;
 	char *kbuf;
 	size_t retlen;
-	size_t total_retlen=0;
-	int ret=0;
+	size_t total_retlen = 0;
+	int ret = 0;
 	int len;
 
 	pr_debug("MTD_write\n");
@@ -328,8 +327,7 @@ static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t c
 			total_retlen += retlen;
 			count -= retlen;
 			buf += retlen;
-		}
-		else {
+		} else {
 			kfree(kbuf);
 			return ret;
 		}
@@ -344,7 +342,7 @@ static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t c
     IOCTL calls for getting device parameters.
 
 ======================================================================*/
-static void mtdchar_erase_callback (struct erase_info *instr)
+static void mtdchar_erase_callback(struct erase_info *instr)
 {
 	wake_up((wait_queue_head_t *)instr->priv);
 }
@@ -670,10 +668,10 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
 	{
 		struct erase_info *erase;
 
-		if(!(file->f_mode & FMODE_WRITE))
+		if (!(file->f_mode & FMODE_WRITE))
 			return -EPERM;
 
-		erase=kzalloc(sizeof(struct erase_info),GFP_KERNEL);
+		erase = kzalloc(sizeof(struct erase_info), GFP_KERNEL);
 		if (!erase)
 			ret = -ENOMEM;
 		else {
@@ -726,7 +724,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
 				remove_wait_queue(&waitq, &wait);
 				set_current_state(TASK_RUNNING);
 
-				ret = (erase->state == MTD_ERASE_FAILED)?-EIO:0;
+				ret = (erase->state == MTD_ERASE_FAILED) ? -EIO : 0;
 			}
 			kfree(erase);
 		}
@@ -958,7 +956,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
 	{
 		mfi->mode = 0;
 
-		switch(arg) {
+		switch (arg) {
 		case MTD_FILE_MODE_OTP_FACTORY:
 		case MTD_FILE_MODE_OTP_USER:
 			ret = otp_select_filemode(mfi, arg);
@@ -1099,7 +1097,7 @@ static unsigned long mtdchar_get_unmapped_area(struct file *file,
 		return (unsigned long) -EINVAL;
 
 	ret = mtd_get_unmapped_area(mtd, len, offset, flags);
-	return ret == -EOPNOTSUPP ? -ENOSYS : ret;
+	return ret == -EOPNOTSUPP ? -ENODEV : ret;
 }
 #endif
 
@@ -1113,7 +1111,7 @@ static int mtdchar_mmap(struct file *file, struct vm_area_struct *vma)
 	struct mtd_info *mtd = mfi->mtd;
 	struct map_info *map = mtd->priv;
 
-        /* This is broken because it assumes the MTD device is map-based
+	/* This is broken because it assumes the MTD device is map-based
 	   and that mtd->priv is a valid struct map_info.  It should be
 	   replaced with something that uses the mtd_get_unmapped_area()
 	   operation properly. */
@@ -1124,9 +1122,9 @@ static int mtdchar_mmap(struct file *file, struct vm_area_struct *vma)
 #endif
 		return vm_iomap_memory(vma, map->phys, map->size);
 	}
-	return -ENOSYS;
+	return -ENODEV;
 #else
-	return vma->vm_flags & VM_SHARED ? 0 : -ENOSYS;
+	return vma->vm_flags & VM_SHARED ? 0 : -EACCES;
 #endif
 }
 
@@ -1159,9 +1157,9 @@ static struct dentry *mtd_inodefs_mount(struct file_system_type *fs_type,
 }
 
 static struct file_system_type mtd_inodefs_type = {
-       .name = "mtd_inodefs",
-       .mount = mtd_inodefs_mount,
-       .kill_sb = kill_anon_super,
+	.name = "mtd_inodefs",
+	.mount = mtd_inodefs_mount,
+	.kill_sb = kill_anon_super,
 };
 MODULE_ALIAS_FS("mtd_inodefs");
 
-- 
1.7.9.5


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