Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-28 13:51:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

usb: gadget: f_midi: fail if set_alt fails to allocate requests

Browse Source 
This ensures that the midi function will only work if the proper number of
IN and OUT requrests are allocated. Otherwise the function will work with less
requests then what the user wants.

Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe F. Tonello 2015-12-01 18:31:01 +00:00 committed by Felipe Balbi
parent 919de443c2
commit f0f1b8cac4
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/gadget/function/f_midi.c
View File

@ -344,9 +344,10 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
req->complete = f_midi_complete;
err = usb_ep_queue(midi->out_ep, req, GFP_ATOMIC);
if (err) {
ERROR(midi, "%s queue req: %d\n",
ERROR(midi, "%s: couldn't enqueue request: %d\n",
midi->out_ep->name, err);
free_ep_req(midi->out_ep, req);
return err;
}
}