summaryrefslogtreecommitdiffstats
path: root/fs/nilfs2/ioctl.c
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2012-02-22 22:04:41 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-02-22 22:04:41 +0000
commit61b80086a525c8a6081257ae40da5dee2bcaee16 (patch)
tree675da35e4c03be3a5ca17bf6430e5b51dfed6296 /fs/nilfs2/ioctl.c
parenta5f17d1f4c2831b9b9bf8b1a537cdbac995d6e13 (diff)
parent230f984662d7e0e4a9597c665fd4f53130666e7d (diff)
Merge branch 'entry-macro-cleanup' of git://sources.calxeda.com/kernel/linux into for-armsoc
Diffstat (limited to 'fs/nilfs2/ioctl.c')
-rw-r--r--fs/nilfs2/ioctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 886649627c3..2a70fce70c6 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -603,6 +603,8 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
nsegs = argv[4].v_nmembs;
if (argv[4].v_size != argsz[4])
goto out;
+ if (nsegs > UINT_MAX / sizeof(__u64))
+ goto out;
/*
* argv[4] points to segment numbers this ioctl cleans. We