[ovs-dev] [PATCH] meta-flow: Don't dereference NULL sf->field in mf_format_subfield().
Ben Pfaff
blp at nicira.com
Thu Mar 15 21:07:00 UTC 2012
Signed-off-by: Ben Pfaff <blp at nicira.com>
---
lib/meta-flow.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/lib/meta-flow.c b/lib/meta-flow.c
index c12a909..11d27b1 100644
--- a/lib/meta-flow.c
+++ b/lib/meta-flow.c
@@ -2343,7 +2343,7 @@ mf_format_subfield(const struct mf_subfield *sf, struct ds *s)
ds_put_cstr(s, sf->field->name);
}
- if (sf->ofs == 0 && sf->n_bits == sf->field->n_bits) {
+ if (sf->field && sf->ofs == 0 && sf->n_bits == sf->field->n_bits) {
ds_put_cstr(s, "[]");
} else if (sf->n_bits == 1) {
ds_put_format(s, "[%d]", sf->ofs);
--
1.7.2.5
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