From: Beau Belgrave Date: Thu, 28 Jul 2022 23:33:04 +0000 (-0700) Subject: tracing/user_events: Use NULL for strstr checks X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9cbf12343d595a1a5ecc84c4471b1fe52e2be19b;p=linux.git tracing/user_events: Use NULL for strstr checks Trivial fix to ensure strstr checks use NULL instead of 0. Link: https://lkml.kernel.org/r/20220728233309.1896-2-beaub@linux.microsoft.com Signed-off-by: Beau Belgrave Signed-off-by: Steven Rostedt (Google) --- diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index a6621c52ce454..075d694d20e3d 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -277,7 +277,7 @@ static int user_event_add_field(struct user_event *user, const char *type, goto add_field; add_validator: - if (strstr(type, "char") != 0) + if (strstr(type, "char") != NULL) validator_flags |= VALIDATOR_ENSURE_NULL; validator = kmalloc(sizeof(*validator), GFP_KERNEL); @@ -458,7 +458,7 @@ static const char *user_field_format(const char *type) return "%d"; if (strcmp(type, "unsigned char") == 0) return "%u"; - if (strstr(type, "char[") != 0) + if (strstr(type, "char[") != NULL) return "%s"; /* Unknown, likely struct, allowed treat as 64-bit */ @@ -479,7 +479,7 @@ static bool user_field_is_dyn_string(const char *type, const char **str_func) return false; check: - return strstr(type, "char") != 0; + return strstr(type, "char") != NULL; } #define LEN_OR_ZERO (len ? len - pos : 0)