diff options
| author | Michael Bestas <mkbestas@lineageos.org> | 2020-06-04 00:49:19 +0300 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2020-06-04 00:49:19 +0300 |
| commit | 08e780103611fb2be36c17ff80de6cb54c910dd0 (patch) | |
| tree | 8bd63552a71f699da64faee819fc9c56501be6f2 /include/linux/blktrace_api.h | |
| parent | 978414b66805b23c93560db9cdacd4fd83f8cc52 (diff) | |
| parent | 60fca757270659c627384fcfe7219d2b85f1459c (diff) | |
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05500-8x98.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
60fca75727065 Merge 4.4.226 into android-4.4-p
Conflicts:
drivers/base/firmware_class.c
drivers/gpu/drm/msm/msm_gem.c
drivers/mmc/host/sdhci.c
drivers/net/wireless/ath/ath10k/core.c
kernel/trace/blktrace.c
net/socket.c
sound/core/rawmidi.c
sound/usb/mixer.c
Change-Id: Ic8599e865656da72a9405c45f27091ec1ddc168c
Diffstat (limited to 'include/linux/blktrace_api.h')
| -rw-r--r-- | include/linux/blktrace_api.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index afc1343df3c7..e644bfe50019 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -51,9 +51,13 @@ void __trace_note_message(struct blk_trace *, const char *fmt, ...); **/ #define blk_add_trace_msg(q, fmt, ...) \ do { \ - struct blk_trace *bt = (q)->blk_trace; \ + struct blk_trace *bt; \ + \ + rcu_read_lock(); \ + bt = rcu_dereference((q)->blk_trace); \ if (unlikely(bt)) \ __trace_note_message(bt, fmt, ##__VA_ARGS__); \ + rcu_read_unlock(); \ } while (0) #define BLK_TN_MAX_MSG 128 |