Commit 1bdf4535 authored by Abhi Das's avatar Abhi Das Committed by Bob Peterson

gfs2: s64 cast for negative quota value

One-line fix to cast quota value to s64 before comparison.
By default the quantity is treated as u64.
Signed-off-by: default avatarAbhi Das <adas@redhat.com>
Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse's avatarSteven Whitehouse <swhiteho@redhat.com>
parent 9cde2898
......@@ -798,7 +798,7 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
loc -= sizeof(q); /* gfs2_internal_read would've advanced the loc ptr */
err = -EIO;
be64_add_cpu(&q.qu_value, change);
if (be64_to_cpu(q.qu_value) < 0)
if (((s64)be64_to_cpu(q.qu_value)) < 0)
q.qu_value = 0; /* Never go negative on quota usage */
qd->qd_qb.qb_value = q.qu_value;
if (fdq) {
......
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