From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Beau Belgrave <beaub@linux.microsoft.com>
Subject: [for-next][PATCH 10/15] tracing/user_events: Use NULL for strstr checks
Date: Thu, 29 Sep 2022 18:55:52 -0400 [thread overview]
Message-ID: <20220929225638.903022694@goodmis.org> (raw)
In-Reply-To: 20220929225542.784716766@goodmis.org
From: Beau Belgrave <beaub@linux.microsoft.com>
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 <beaub@linux.microsoft.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
kernel/trace/trace_events_user.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c
index a6621c52ce45..075d694d20e3 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)
--
2.35.1
next prev parent reply other threads:[~2022-09-29 22:56 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-29 22:55 [for-next][PATCH 00/15] tracing: More updates for 6.1 Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 01/15] ftrace: Fix recursive locking direct_mutex in ftrace_modify_direct_caller Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 02/15] ring-buffer: Allow splice to read previous partially read pages Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 03/15] ring-buffer: Have the shortest_full queue be the shortest not longest Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 04/15] ring-buffer: Check pending waiters when doing wake ups as well Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 05/15] ring-buffer: Add ring_buffer_wake_waiters() Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 06/15] tracing: Wake up ring buffer waiters on closing of the file Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 07/15] tracing: Add ioctl() to force ring buffer waiters to wake up Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 08/15] tracing: Wake up waiters when tracing is disabled Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 09/15] tracing: Fix spelling mistake "preapre" -> "prepare" Steven Rostedt
2022-09-29 22:55 ` Steven Rostedt [this message]
2022-09-29 22:55 ` [for-next][PATCH 11/15] tracing/user_events: Use WRITE instead of READ for io vector import Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 12/15] tracing/user_events: Ensure user provided strings are safely formatted Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 13/15] tracing/user_events: Use refcount instead of atomic for ref tracking Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 14/15] tracing/user_events: Use bits vs bytes for enabled status page data Steven Rostedt
2022-09-29 22:55 ` [for-next][PATCH 15/15] tracing/user_events: Update ABI documentation to align to bits vs bytes Steven Rostedt
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