[U-Boot] [PATCH 3/5] net: Make copy_filename() accept NULL src

Rather than crashing, check the src ptr and set dst to empty string.

Signed-off-by: Joe Hershberger joe.hershberger@ni.com ---

net/net.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/net.c b/net/net.c index 42a50e60f8..333102ea79 100644 --- a/net/net.c +++ b/net/net.c @@ -1522,12 +1522,12 @@ void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport, int sport,

void copy_filename(char *dst, const char *src, int size) { - if (*src && (*src == '"')) { + if (src && *src && (*src == '"')) { ++src; --size; }

- while ((--size > 0) && *src && (*src != '"')) + while ((--size > 0) && src && *src && (*src != '"')) *dst++ = *src++; *dst = '\0'; }