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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:31 +0000
commit1327913aeadf5737e7ebf158f93632d6df2eba1d (patch)
tree2ca5c2a3aa381788eca2580f72a2d5c60934b28a /drivers/hid/hid-roccat.c
parentAdding upstream version 4.19.260. (diff)
downloadlinux-1327913aeadf5737e7ebf158f93632d6df2eba1d.tar.xz
linux-1327913aeadf5737e7ebf158f93632d6df2eba1d.zip
Adding upstream version 4.19.269.upstream/4.19.269
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hid/hid-roccat.c')
-rw-r--r--drivers/hid/hid-roccat.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c
index 5be8de70c..c9cec00b4 100644
--- a/drivers/hid/hid-roccat.c
+++ b/drivers/hid/hid-roccat.c
@@ -260,6 +260,8 @@ int roccat_report_event(int minor, u8 const *data)
if (!new_value)
return -ENOMEM;
+ mutex_lock(&device->cbuf_lock);
+
report = &device->cbuf[device->cbuf_end];
/* passing NULL is safe */
@@ -279,6 +281,8 @@ int roccat_report_event(int minor, u8 const *data)
reader->cbuf_start = (reader->cbuf_start + 1) % ROCCAT_CBUF_SIZE;
}
+ mutex_unlock(&device->cbuf_lock);
+
wake_up_interruptible(&device->wait);
return 0;
}