[PATCH] ASN.1: Fix NULL check after strdup call

[Denis Efremov]

strdup function returns a pointer to the newly allocated string,
or a NULL if an error occurred. Thus, grammar_name should be checked
right after strdup call. p variable can't be NULL in this context.
This follows from p check before the strdup call.

Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
---
 scripts/asn1_compiler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c
index adabd4145264..985fb81cae79 100644
--- a/scripts/asn1_compiler.c
+++ b/scripts/asn1_compiler.c
@@ -625,7 +625,7 @@ int main(int argc, char **argv)
 	p = strrchr(argv[1], '/');
 	p = p ? p + 1 : argv[1];
 	grammar_name = strdup(p);
-	if (!p) {
+	if (!grammar_name) {
 		perror(NULL);
 		exit(1);
 	}
-- 
2.21.0