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pxe: Fix crash if 'sysboot' is run without args

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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>
This commit is contained in:
Tuomas Tynkkynen 2015-05-07 21:29:18 +03:00 committed by Tom Rini
parent 445614cc2f
commit 0ece6b50f1
1 changed files with 1 additions and 1 deletions
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2
common/cmd_pxe.c
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@ -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++;