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kconfig: fix mconf segmentation fault

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I have found small bug in mconf, when you run it without any argument it
will sigsegv.

Without patch:
$ scripts/kconfig/mconf
Segmentation fault

With patch:
$ scripts/kconfig/mconf
can't find file (null)

Signed-off-by: Marcin Garski <mgarski@post.pl>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Marcin Garski
2007-05-05 22:49:00 +02:00
committed by Sam Ravnborg
parent 767e581d75
commit 11de39e2fb
2 changed files with 2 additions and 2 deletions
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2
scripts/kconfig/zconf.l
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@@ -265,7 +265,7 @@ FILE *zconf_fopen(const char *name)
FILE *f;
f = fopen(name, "r");
if (!f && name[0] != '/') {
if (!f && name != NULL && name[0] != '/') {
env = getenv(SRCTREE);
if (env) {
sprintf(fullname, "%s/%s", env, name);