[PATCH] usb: gadget: f_mass_storage: restore address range on exit

From: Sanjay Singh Rawat
Date: Fri Dec 05 2014 - 06:20:11 EST


At the start of the thread we are changing the address limit, restoring it
to the default while exiting.

Signed-off-by: Sanjay Singh Rawat <snjsrwt@xxxxxxxxx>
---
drivers/usb/gadget/function/f_mass_storage.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 811929c..c4a2ded 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -2489,6 +2489,7 @@ static void handle_exception(struct fsg_common *common)
static int fsg_main_thread(void *common_)
{
struct fsg_common *common = common_;
+ mm_segment_t fs = get_fs();

/*
* Allow the thread to be killed by a signal, but set the signal mask
@@ -2567,6 +2568,7 @@ static int fsg_main_thread(void *common_)
up_write(&common->filesem);
}

+ set_fs(fs);
/* Let fsg_unbind() know the thread has exited */
complete_and_exit(&common->thread_notifier, 0);
}
--
1.8.3.2

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