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| author | Artem Bityutskiy | 2006-10-11 13:52:47 +0200 |
|---|---|---|
| committer | Artem Bityutskiy | 2006-11-29 16:06:38 +0100 |
| commit | 9c74034f8fc5d93fbe5656421cbbdc4c76ddda28 (patch) | |
| tree | e5a205e124c0e42899743d765598f82a228156c2 /fs/jffs2/super.c | |
| parent | [MTD] add get and put methods (diff) | |
| download | kernel-qcow2-linux-9c74034f8fc5d93fbe5656421cbbdc4c76ddda28.tar.gz kernel-qcow2-linux-9c74034f8fc5d93fbe5656421cbbdc4c76ddda28.tar.xz kernel-qcow2-linux-9c74034f8fc5d93fbe5656421cbbdc4c76ddda28.zip | |
[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/jffs2/super.c')
| -rw-r--r-- | fs/jffs2/super.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index bc4b8106a490..590f60a897c1 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); |