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| author | Abhi Das <adas@redhat.com> | 2015-06-08 11:20:50 -0500 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2015-06-08 11:20:50 -0500 |
| commit | 1bdf45352e1897ab02632a4ed3648db8cc183f71 (patch) | |
| tree | c608f14fb0eec5b1bedfbb547efd7e3a6425e54d /fs/gfs2/quota.c | |
| parent | 9cde2898d04595c3bf24828822b3ea7acff181dd (diff) | |
| download | lwn-1bdf45352e1897ab02632a4ed3648db8cc183f71.tar.gz lwn-1bdf45352e1897ab02632a4ed3648db8cc183f71.zip | |
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: Abhi Das <adas@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/quota.c')
| -rw-r--r-- | fs/gfs2/quota.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index dcd598aa2691..c2607a26be89 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -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) { |