Commit 5cca3f61 authored by Eric Sandeen's avatar Eric Sandeen Committed by Dave Chinner
Browse files

xfs: check for null dquot in xfs_quota_calc_throttle()



Coverity spotted this.

Granted, we *just* checked xfs_inod_dquot() in the caller (by
calling xfs_quota_need_throttle). However, this is the only place we
don't check the return value but the check is cheap and future-proof
so add it.
Signed-off-by: default avatarEric Sandeen <sandeen@redhat.com>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Signed-off-by: default avatarDave Chinner <david@fromorbit.com>
parent 04dd1a0d
......@@ -404,8 +404,8 @@ xfs_quota_calc_throttle(
int shift = 0;
struct xfs_dquot *dq = xfs_inode_dquot(ip, type);
/* over hi wmark, squash the prealloc completely */
if (dq->q_res_bcount >= dq->q_prealloc_hi_wmark) {
/* no dq, or over hi wmark, squash the prealloc completely */
if (!dq || dq->q_res_bcount >= dq->q_prealloc_hi_wmark) {
*qblocks = 0;
*qfreesp = 0;
return;
......
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