[PATCH] UBI: dereference after kfree in create_vtbl

[Florin Malita]

Coverity (CID 1614) spotted new_seb being dereferenced after kfree() in 
create_vtbl's write_error path.


Signed-off-by: Florin Malita <fmalita@xxxxxxxxx>
---

vtbl.c |   11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index b6fd6bb..91e3619 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -317,14 +317,13 @@ retry:
	return err;

write_error:
-	kfree(new_seb);
-	/* May be this physical eraseblock went bad, try to pick another one */
-	if (++tries <= 5) {
+	/* Maybe this physical eraseblock went bad, try to pick another one */
+	if (++tries <= 5)
		err = ubi_scan_add_to_list(si, new_seb->pnum, new_seb->ec,
					   &si->corr);
-		if (!err)
-			goto retry;
-	}
+	kfree(new_seb);	
+	if (!err)
+		goto retry;
out_free:
	ubi_free_vid_hdr(ubi, vid_hdr);
	return err;

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/