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authorRobert Baldyga <r.baldyga@samsung.com>2014-02-10 10:42:42 +0100
committerFelipe Balbi <balbi@ti.com>2014-02-18 10:53:01 -0600
commit0a7b1f8a70a59fd8215a937f77da20e003b9fc49 (patch)
tree44b9cc188c036f0d12edbf25ada48bb8e47549dd /drivers/usb/gadget
parenta7ecf0544f0fc710ba6e2ff751d328a4190c4a1f (diff)
downloadop-kernel-dev-0a7b1f8a70a59fd8215a937f77da20e003b9fc49.zip
op-kernel-dev-0a7b1f8a70a59fd8215a937f77da20e003b9fc49.tar.gz
usb: gadget: f_fs: fix setup request handling
This patch fixes __ffs_ep0_queue_wait() function, which now returns number of bytes transferred in USB request or error code in case of failure. This is needed by ffs_ep0_read() function, when read data is copied to userspace. It also cleans up code by removing usused variable ep0req_status. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/f_fs.c2
-rw-r--r--drivers/usb/gadget/u_fs.h1
2 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 5bfacf8..b65a502 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -228,7 +228,7 @@ static int __ffs_ep0_queue_wait(struct ffs_data *ffs, char *data, size_t len)
}
ffs->setup_state = FFS_NO_SETUP;
- return ffs->ep0req_status;
+ return req->status ? req->status : req->actual;
}
static int __ffs_ep0_stall(struct ffs_data *ffs)
diff --git a/drivers/usb/gadget/u_fs.h b/drivers/usb/gadget/u_fs.h
index 78263cc..c39e805 100644
--- a/drivers/usb/gadget/u_fs.h
+++ b/drivers/usb/gadget/u_fs.h
@@ -154,7 +154,6 @@ struct ffs_data {
*/
struct usb_request *ep0req; /* P: mutex */
struct completion ep0req_completion; /* P: mutex */
- int ep0req_status; /* P: mutex */
/* reference counter */
atomic_t ref;
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