[ovs-dev] [PATCH] nx-match: Avoid null pointer dereference in nx_pull_header__() error case.
Ben Pfaff
blp at nicira.com
Thu Apr 16 21:04:47 UTC 2015
Found by LLVM scan-build.
Reported-by: Kevin Lo <kevlo at FreeBSD.org>
Signed-off-by: Ben Pfaff <blp at nicira.com>
---
lib/nx-match.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/nx-match.c b/lib/nx-match.c
index 4b72460..21f291c 100644
--- a/lib/nx-match.c
+++ b/lib/nx-match.c
@@ -319,7 +319,9 @@ bad_len:
b->size);
error:
*header = 0;
- *field = NULL;
+ if (field) {
+ *field = NULL;
+ }
return OFPERR_OFPBMC_BAD_LEN;
}
--
2.1.3
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