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| author | Dan Carpenter <error27@gmail.com> | 2010-05-07 10:59:06 +0200 |
|---|---|---|
| committer | Joern Engel <joern@logfs.org> | 2010-05-07 14:16:09 +0200 |
| commit | ccf31c10f125ab5233c8517f91d4b3bd0bd60936 (patch) | |
| tree | 88bc1107c31a8a325703ed40ffdba4e3af9754b8 /fs/logfs | |
| parent | 58e323cf5e4ed621a6e88263aca40c3d9c3d9bfd (diff) | |
| download | lwn-ccf31c10f125ab5233c8517f91d4b3bd0bd60936.tar.gz lwn-ccf31c10f125ab5233c8517f91d4b3bd0bd60936.zip | |
logfs: handle errors from get_mtd_device()
The get_mtd_device() function returns error pointers on failure and if we
don't handle it, it leads to a crash.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Joern Engel <joern@logfs.org>
Diffstat (limited to 'fs/logfs')
| -rw-r--r-- | fs/logfs/dev_mtd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/logfs/dev_mtd.c b/fs/logfs/dev_mtd.c index cafb6ef2e05b..b02a4020241a 100644 --- a/fs/logfs/dev_mtd.c +++ b/fs/logfs/dev_mtd.c @@ -250,5 +250,7 @@ int logfs_get_sb_mtd(struct file_system_type *type, int flags, const struct logfs_device_ops *devops = &mtd_devops; mtd = get_mtd_device(NULL, mtdnr); + if (IS_ERR(mtd)) + return PTR_ERR(mtd); return logfs_get_sb_device(type, flags, mtd, NULL, devops, mnt); } |