[PATCH 10/10] ext2, ext3, ext4: convert to parse_integer()/kstrto*()

[Alexey Dobriyan]

Convert away from deprecated simple_strto*() interfaces.

Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---

 fs/ext2/super.c |    6 ++++--
 fs/ext3/super.c |    7 ++++---
 fs/ext4/super.c |   15 +++++++--------
 3 files changed, 15 insertions(+), 13 deletions(-)

--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -383,16 +383,18 @@ static unsigned long get_sb_block(void **data)
 {
 	unsigned long 	sb_block;
 	char 		*options = (char *) *data;
+	int rv;
 
 	if (!options || strncmp(options, "sb=", 3) != 0)
 		return 1;	/* Default location */
 	options += 3;
-	sb_block = simple_strtoul(options, &options, 0);
-	if (*options && *options != ',') {
+	rv = parse_integer(options, 0, &sb_block);
+	if (rv < 0 || (options[rv] && options[rv] != ',')) {
 		printk("EXT2-fs: Invalid sb specification: %s\n",
 		       (char *) *data);
 		return 1;
 	}
+	options += rv;
 	if (*options == ',')
 		options++;
 	*data = (void *) options;
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -902,17 +902,18 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
 {
 	ext3_fsblk_t	sb_block;
 	char		*options = (char *) *data;
+	int rv;
 
 	if (!options || strncmp(options, "sb=", 3) != 0)
 		return 1;	/* Default location */
 	options += 3;
-	/*todo: use simple_strtoll with >32bit ext3 */
-	sb_block = simple_strtoul(options, &options, 0);
-	if (*options && *options != ',') {
+	rv = parse_integer(options, 0, &sb_block);
+	if (rv < 0 || (options[rv] && options[rv] != ',')) {
 		ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
 		       (char *) *data);
 		return 1;
 	}
+	options += rv;
 	if (*options == ',')
 		options++;
 	*data = (void *) options;
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1210,18 +1210,19 @@ static ext4_fsblk_t get_sb_block(void **data)
 {
 	ext4_fsblk_t	sb_block;
 	char		*options = (char *) *data;
+	int rv;
 
 	if (!options || strncmp(options, "sb=", 3) != 0)
 		return 1;	/* Default location */
 
 	options += 3;
-	/* TODO: use simple_strtoll with >32bit ext4 */
-	sb_block = simple_strtoul(options, &options, 0);
-	if (*options && *options != ',') {
+	rv = parse_integer(options, 0, &sb_block);
+	if (rv < 0 || (options[rv] && options[rv] != ',')) {
 		printk(KERN_ERR "EXT4-fs: Invalid sb specification: %s\n",
 		       (char *) *data);
 		return 1;
 	}
+	options += rv;
 	if (*options == ',')
 		options++;
 	*data = (void *) options;
@@ -2491,10 +2492,10 @@ static ssize_t inode_readahead_blks_store(struct ext4_attr *a,
 					  struct ext4_sb_info *sbi,
 					  const char *buf, size_t count)
 {
-	unsigned long t;
+	unsigned int t;
 	int ret;
 
-	ret = kstrtoul(skip_spaces(buf), 0, &t);
+	ret = kstrtouint(skip_spaces(buf), 0, &t);
 	if (ret)
 		return ret;
 
@@ -2518,13 +2519,11 @@ static ssize_t sbi_ui_store(struct ext4_attr *a,
 			    const char *buf, size_t count)
 {
 	unsigned int *ui = (unsigned int *) (((char *) sbi) + a->u.offset);
-	unsigned long t;
 	int ret;
 
-	ret = kstrtoul(skip_spaces(buf), 0, &t);
+	ret = kstrtouint(skip_spaces(buf), 0, ui);
 	if (ret)
 		return ret;
-	*ui = t;
 	return count;
 }
 
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