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usb: gadget: f_fs: add extra check before unregister_gadget_item
authorRui Miguel Silva <rui.silva@linaro.org>
Wed, 20 May 2015 13:52:40 +0000 (14:52 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 10 Jul 2015 16:49:33 +0000 (09:49 -0700)
commit1e4205d4e0b0579b906de8ec7c5920968bfb32a9
tree08718c752e98012a4508806188796bcd8ddb2cf9tree
parentbfa06e6258be556d44aad030fe1babeed4f92240commit | diff
usb: gadget: f_fs: add extra check before unregister_gadget_item

commit f14e9ad17f46051b02bffffac2036486097de19e upstream.

ffs_closed can race with configfs_rmdir which will call config_item_release, so
add an extra check to avoid calling the unregister_gadget_item with an null
gadget item.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/function/f_fs.c diff | blob | history
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