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authorTuomas Tynkkynen <tuomas.tynkkynen@iki.fi>2015-05-07 21:29:18 +0300
committerTom Rini <trini@konsulko.com>2015-05-27 13:35:48 -0400
commit0ece6b50f153fe2d349f4d26b18de4b0a3273537 (patch)
treef717babba339a9dda9d3af42badee2f2ad229d25
parent445614cc2fbbbdb2be32663b7ba0927ac99cb353 (diff)
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pxe: Fix crash if 'sysboot' is run without args
Previously, a NULL pointer dereference would occur if the 'sysboot' command is executed without any arguments. Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi> Reviewed-by: Simon Glass <sjg@chromium.org>
-rw-r--r--common/cmd_pxe.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/common/cmd_pxe.c b/common/cmd_pxe.c
index 4cbb2b1..abf0941 100644
--- a/common/cmd_pxe.c
+++ b/common/cmd_pxe.c
@@ -1648,7 +1648,7 @@ static int do_sysboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
is_pxe = false;
- if (strstr(argv[1], "-p")) {
+ if (argc > 1 && strstr(argv[1], "-p")) {
prompt = 1;
argc--;
argv++;