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authorChristoph Hellwig <hch@lst.de>2020-09-25 06:19:19 +0200
committerChristoph Hellwig <hch@lst.de>2020-09-25 06:19:19 +0200
commit8c1c6c7588b2faf9dd45fb3cfb7497fd09bbfe7c (patch)
tree50a7ddcfd7e7b1a7e4fb656bb88a036dbcff4bd6 /drivers/hid/hid-input.c
parent38225f2ef2f4263fc65acae63fdd4e8489c9ffcf (diff)
parent171d4ff79f965c1f164705ef0aaea102a6ad238b (diff)
Merge branch 'master' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into dma-mapping-for-next
Pull in the latest 5.9 tree for the commit to revert the V4L2_FLAG_MEMORY_NON_CONSISTENT uapi addition.
Diffstat (limited to 'drivers/hid/hid-input.c')
-rw-r--r--drivers/hid/hid-input.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index b8eabf206e743..88e19996427e6 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1132,6 +1132,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
}
mapped:
+ /* Mapping failed, bail out */
+ if (!bit)
+ return;
+
if (device->driver->input_mapped &&
device->driver->input_mapped(device, hidinput, field, usage,
&bit, &max) < 0) {