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| author | Seth Forshee <seth.forshee@canonical.com> | 2016-05-05 10:52:38 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2016-05-05 10:52:38 -0400 |
| commit | ff0bc08454917964291f72ee5b8eca66de4bc250 (patch) | |
| tree | 8293c7b58cf4a690da807a37c7bb281dc7723536 /fs/ext4/ioctl.c | |
| parent | 7827a7f6ebfcb7f388dc47fddd48567a314701ba (diff) | |
| download | linux-ff0bc08454917964291f72ee5b8eca66de4bc250.tar.gz linux-ff0bc08454917964291f72ee5b8eca66de4bc250.tar.bz2 linux-ff0bc08454917964291f72ee5b8eca66de4bc250.zip | |
ext4: fix check of dqget() return value in ext4_ioctl_setproject()
A failed call to dqget() returns an ERR_PTR() and not null. Fix
the check in ext4_ioctl_setproject() to handle this correctly.
Fixes: 9b7365fc1c82 ("ext4: add FS_IOC_FSSETXATTR/FS_IOC_FSGETXATTR interface support")
Cc: stable@vger.kernel.org # v4.5
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext4/ioctl.c')
| -rw-r--r-- | fs/ext4/ioctl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index eae5917c534e..0acf8cacb2be 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -365,7 +365,7 @@ static int ext4_ioctl_setproject(struct file *filp, __u32 projid) struct dquot *transfer_to[MAXQUOTAS] = { }; transfer_to[PRJQUOTA] = dqget(sb, make_kqid_projid(kprojid)); - if (transfer_to[PRJQUOTA]) { + if (!IS_ERR(transfer_to[PRJQUOTA])) { err = __dquot_transfer(inode, transfer_to); dqput(transfer_to[PRJQUOTA]); if (err) |