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HID: uhid: Fix sending events with invalid data

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This was detected because events with invalid types were arriving
to userspace.

The code before this patch would only work for the first event in the
queue (when uhid->tail is 0).

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Reviewed-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Satish kumar sugasi <ssugas@codeaurora.org>
This commit is contained in:
Vinicius Costa Gomes
2013-03-05 15:11:18 -08:00
committed by Gerrit - the friendly Code Review server
parent 41257e6347
commit 10b45d2275
1 changed files with 1 additions and 1 deletions
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drivers/hid/uhid.c
+1 -1
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@@ -465,7 +465,7 @@ try_again:
goto try_again;
} else {
len = min(count, sizeof(**uhid->outq));
if (copy_to_user(buffer, &uhid->outq[uhid->tail], len)) {
if (copy_to_user(buffer, uhid->outq[uhid->tail], len)) {
ret = -EFAULT;
} else {
kfree(uhid->outq[uhid->tail]);