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authorAlexander Shishkin <alexander.shishkin@linux.intel.com>2020-03-17 08:22:13 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-18 11:32:56 +0100
commit885f123554bbdc1807ca25a374be6e9b3bddf4de (patch)
tree0961f7f283e7107a4cd45434fc623027560f24c8 /drivers/hwtracing
parent283f87c0d5d32b4a5c22636adc559bca82196ed3 (diff)
downloadlinux-885f123554bbdc1807ca25a374be6e9b3bddf4de.tar.gz
intel_th: msu: Fix the unexpected state warning
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+
Link: https://lore.kernel.org/r/20200317062215.15598-5-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/intel_th/msu.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 8e48c7458aa3..43e70507c949 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -718,9 +718,6 @@ 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;
 	}
 
@@ -741,6 +738,10 @@ unlock:
 		/* 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;