Add forgotten error checking in kernel_socket.

0b5ae397 · Juliusz Chroboczek · 0845af77 · 0b5ae397
Commit 0b5ae397 authored Jul 09, 2012 by Juliusz Chroboczek
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kernel_socket.c kernel_socket.c +2 -0

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--- a/kernel_socket.c
+++ b/kernel_socket.c
@@ -108,6 +108,8 @@ get_sdl(struct sockaddr_dl *sdl, char *ifname)
        return -1;

    buffer = (char *)malloc(buf_len);
+    if(buffer == NULL)
+        return -1;

    rc = sysctl(mib, 6, buffer, &buf_len, NULL, 0);
    if(rc < 0)