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-rw-r--r--common/iobuf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/common/iobuf.c b/common/iobuf.c
index db66a7f17..5a9fd7caf 100644
--- a/common/iobuf.c
+++ b/common/iobuf.c
@@ -2552,7 +2552,7 @@ iobuf_read_line (iobuf_t a, byte ** addr_of_buffer,
NUL character in the buffer. This requires at least 2 bytes. We
don't complicate the code by handling the stupid corner case, but
simply assert that it can't happen. */
- assert (length >= 2 || maxlen >= 2);
+ assert (!buffer || length >= 2 || maxlen >= 2);
if (!buffer || length <= 1)
/* must allocate a new buffer */