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| author | Artem Bityutskiy <dedekind@infradead.org> | 2006-10-11 14:52:47 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <dedekind@infradead.org> | 2006-11-29 17:06:38 +0200 |
| commit | 9c74034f8fc5d93fbe5656421cbbdc4c76ddda28 (patch) | |
| tree | e5a205e124c0e42899743d765598f82a228156c2 /fs | |
| parent | 9fe912cea32aec18f860c95e8574410b5892481b (diff) | |
| download | kernel_goldelico_gta04-9c74034f8fc5d93fbe5656421cbbdc4c76ddda28.zip kernel_goldelico_gta04-9c74034f8fc5d93fbe5656421cbbdc4c76ddda28.tar.gz kernel_goldelico_gta04-9c74034f8fc5d93fbe5656421cbbdc4c76ddda28.tar.bz2 | |
[MTD] return error code from get_mtd_device()
get_mtd_device() returns NULL in case of any failure. Teach it to return an
error code instead. Fix all users as well.
Signed-off-by: Artem Bityutskiy <dedekind@infradead.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/jffs/jffs_fm.c | 3 | ||||
| -rw-r--r-- | fs/jffs2/super.c | 7 |
2 files changed, 6 insertions, 4 deletions
diff --git a/fs/jffs/jffs_fm.c b/fs/jffs/jffs_fm.c index 29b68d9..6aab317 100644 --- a/fs/jffs/jffs_fm.c +++ b/fs/jffs/jffs_fm.c @@ -17,6 +17,7 @@ * */ #include <linux/slab.h> +#include <linux/err.h> #include <linux/blkdev.h> #include <linux/jffs.h> #include "jffs_fm.h" @@ -104,7 +105,7 @@ jffs_build_begin(struct jffs_control *c, int unit) mtd = get_mtd_device(NULL, unit); - if (!mtd) { + if (IS_ERR(mtd)) { kfree(fmc); DJM(no_jffs_fmcontrol--); return NULL; diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index bc4b810..590f60a 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/list.h> #include <linux/fs.h> +#include <linux/err.h> #include <linux/mount.h> #include <linux/jffs2.h> #include <linux/pagemap.h> @@ -184,9 +185,9 @@ static int jffs2_get_sb_mtdnr(struct file_system_type *fs_type, struct mtd_info *mtd; mtd = get_mtd_device(NULL, mtdnr); - if (!mtd) { + if (IS_ERR(mtd)) { D1(printk(KERN_DEBUG "jffs2: MTD device #%u doesn't appear to exist\n", mtdnr)); - return -EINVAL; + return PTR_ERR(mtd); } return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd, mnt); @@ -221,7 +222,7 @@ static int jffs2_get_sb(struct file_system_type *fs_type, D1(printk(KERN_DEBUG "jffs2_get_sb(): mtd:%%s, name \"%s\"\n", dev_name+4)); for (mtdnr = 0; mtdnr < MAX_MTD_DEVICES; mtdnr++) { mtd = get_mtd_device(NULL, mtdnr); - if (mtd) { + if (!IS_ERR(mtd)) { if (!strcmp(mtd->name, dev_name+4)) return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd, mnt); put_mtd_device(mtd); |