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authorJohan Hovold <johan@kernel.org>2015-01-13 15:00:05 +0300
committerLinus Walleij <linus.walleij@linaro.org>2015-01-15 19:20:15 +0300
commit0915e6feb38de8d3601819992a5bd050201a56fa (patch)
tree246c1724e7a827583fa70147869b4bcbb15b883c /Documentation/debugging-via-ohci1394.txt
parent121b6a79955a3a3fd7bbb9b8cb88d5b9dad6283d (diff)
downloadlinux-0915e6feb38de8d3601819992a5bd050201a56fa.tar.xz
gpio: sysfs: fix gpio device-attribute leak
The gpio device attributes were never destroyed when the gpio was unexported (or on export failures). Use device_create_with_groups() to create the default device attributes of the gpio class device. Note that this also fixes the attribute-creation race with userspace for these attributes. Remove contingent attributes in export error path and on unexport. Fixes: d8f388d8dc8d ("gpio: sysfs interface") Cc: stable <stable@vger.kernel.org> # v2.6.27+ Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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