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author | Peter Korsgaard <jacmet@sunsite.dk> | 2011-02-25 09:30:46 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-02-27 01:52:53 -0800 |
commit | 439581ec07fa9cf3f519dd461a2cf41cfd3adcb4 (patch) | |
tree | 204e640e88005bfcda1176d28ecc9325fbf57ad3 /drivers/hid/usbhid/Makefile | |
parent | 5063511539bbb436ae8e4f75409561ef547f8516 (diff) | |
download | op-kernel-dev-439581ec07fa9cf3f519dd461a2cf41cfd3adcb4.zip op-kernel-dev-439581ec07fa9cf3f519dd461a2cf41cfd3adcb4.tar.gz |
Input: evdev - fix evdev_write return value on partial writes
As was recently brought up on the busybox list
(http://lists.busybox.net/pipermail/busybox/2011-January/074565.html),
evdev_write doesn't properly check the count argument, which will
lead to a return value > count on partial writes if the remaining bytes
are accessible - causing userspace confusion.
Fix it by only handling each full input_event structure and return -EINVAL
if less than 1 struct was written, similar to how it is done in evdev_read.
Reported-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/hid/usbhid/Makefile')
0 files changed, 0 insertions, 0 deletions