From: Vasiliy Kulikov <segooon@xxxxxxxxx>
Function ubifs_lpt_lookup may return ERR_PTR(...). Check for it.
Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx>
---
Compile tested.
fs/ubifs/lpt.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index 0084a33..841bb36 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -1351,6 +1351,7 @@ static int read_lsave(struct ubifs_info *c)
{
int err, i;
void *buf;
+ struct ubifs_lprops *perr;
buf = vmalloc(c->lsave_sz);
if (!buf)
@@ -1370,7 +1371,11 @@ static int read_lsave(struct ubifs_info *c)
*/
if (lnum >= c->leb_cnt)
continue;
- ubifs_lpt_lookup(c, lnum);
+ perr = ubifs_lpt_lookup(c, lnum);
+ if (IS_ERR(perr)) {
+ err = PTR_ERR(perr);
+ goto out;
+ }
}
out:
vfree(buf);
--
1.7.0.4
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