include/strutils: fix potential null pointer dereference

Recent lscpu fix caused gcc -Wnull-dereference to go off that this change
addresses.

Reference: b94acada9ed0e11a7e82f8f60280c5b6058e4250
Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/include/strutils.h b/include/strutils.h
index 50733c5f56dd68f9f75bf8e25afbe8dd0dd2a27a..d1f3da1b65f77159cf84ae2ddca0c74ff502d52c 100644 (file)
--- a/include/strutils.h
+++ b/include/strutils.h
@@ -258,7 +258,9 @@ static inline void strrem(char *s, int rem)
 {
        char *p;
 
-       for (p = s; s && *s; s++) {
+       if (!s)
+               return;
+       for (p = s; *s; s++) {
                if (*s != rem)
                        *p++ = *s;
        }