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authorIngo Molnar <mingo@kernel.org>2019-04-10 09:14:42 +0200
committerIngo Molnar <mingo@kernel.org>2019-04-10 09:14:42 +0200
commit54bbfe75cbb10384b0a62efae80fde21deea1dd0 (patch)
treeeed22c29cdecce36153bbb83ee7a9da7eed60ccd /drivers/hid/hid-debug.c
parentddb20d1d3aed8f130519c0a29cd5392efcc067b8 (diff)
parent771acc7e4a6e5dba779cb1a7fd851a164bc81033 (diff)
downloadtalos-op-linux-54bbfe75cbb10384b0a62efae80fde21deea1dd0.tar.gz
talos-op-linux-54bbfe75cbb10384b0a62efae80fde21deea1dd0.zip
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/hid/hid-debug.c')
-rw-r--r--drivers/hid/hid-debug.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index ac9fda1b5a72..1384e57182af 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -1060,10 +1060,15 @@ static int hid_debug_rdesc_show(struct seq_file *f, void *p)
seq_printf(f, "\n\n");
/* dump parsed data and input mappings */
+ if (down_interruptible(&hdev->driver_input_lock))
+ return 0;
+
hid_dump_device(hdev, f);
seq_printf(f, "\n");
hid_dump_input_mapping(hdev, f);
+ up(&hdev->driver_input_lock);
+
return 0;
}
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