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[GFS2] possible null pointer dereference fixup

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gfs2_alloc_get may fail so we have to check it to prevent
NULL pointer dereference.

Signed-off-by: Cyrill Gorcunov <gorcunov@gamil.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Cyrill Gorcunov
2008-03-03 21:54:21 +03:00
committed by Steven Whitehouse
parent 105284970b
commit 182fe5abd8
7 changed files with 44 additions and 8 deletions
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9
fs/gfs2/quota.c
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@@ -617,8 +617,9 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
int err = -EIO;
if (gfs2_is_stuffed(ip)) {
struct gfs2_alloc *al = NULL;
al = gfs2_alloc_get(ip);
struct gfs2_alloc *al = gfs2_alloc_get(ip);
if (!al)
return -ENOMEM;
/* just request 1 blk */
al->al_requested = 1;
gfs2_inplace_reserve(ip);
@@ -729,6 +730,10 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
if (nalloc) {
al = gfs2_alloc_get(ip);
if (!al) {
error = -ENOMEM;
goto out_gunlock;
}
al->al_requested = nalloc * (data_blocks + ind_blocks);