lkml.org 
[lkml]   [2020]   [Mar]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[GIT PULL 4/6] intel_th: msu: Fix the unexpected state warning
Date
The unexpected state warning should only warn on illegal state
transitions. Fix that.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 615c164da0eb4 ("intel_th: msu: Introduce buffer interface")
Cc: stable@vger.kernel.org # v5.4+
---
drivers/hwtracing/intel_th/msu.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 45916b48bcf0..7ac7dd4d3b1c 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -722,9 +722,6 @@ static int msc_win_set_lockout(struct msc_window *win,

if (old != expect) {
ret = -EINVAL;
- dev_warn_ratelimited(msc_dev(win->msc),
- "expected lockout state %d, got %d\n",
- expect, old);
goto unlock;
}

@@ -745,6 +742,10 @@ static int msc_win_set_lockout(struct msc_window *win,
/* from intel_th_msc_window_unlock(), don't warn if not locked */
if (expect == WIN_LOCKED && old == new)
return 0;
+
+ dev_warn_ratelimited(msc_dev(win->msc),
+ "expected lockout state %d, got %d\n",
+ expect, old);
}

return ret;
--
2.25.1
\
 
 \ /
  Last update: 2020-03-17 07:23    [W:0.065 / U:0.464 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site