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author | Takashi Iwai <tiwai@suse.de> | 2012-08-03 12:59:38 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-08-03 12:59:38 +0200 |
commit | d30a0d839a5a282e43353fee53d5dc70db5eceda (patch) | |
tree | 189a91615be3174a9ff8b20937359d11298433af /drivers/usb/musb/musb_gadget.c | |
parent | ALSA: emu10k1: Avoid access to invalid pages when period=1 (diff) | |
parent | ALSA: isa: Move snd_legacy_find_free_ioport to initval.h (diff) | |
download | linux-dev-d30a0d839a5a282e43353fee53d5dc70db5eceda.tar.xz linux-dev-d30a0d839a5a282e43353fee53d5dc70db5eceda.zip |
Merge branch 'topic/next' into for-next
Diffstat (limited to 'drivers/usb/musb/musb_gadget.c')
-rw-r--r-- | drivers/usb/musb/musb_gadget.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 95918dacc99a..f7194cf65aba 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -328,6 +328,13 @@ static void txstate(struct musb *musb, struct musb_request *req) musb_ep = req->ep; + /* Check if EP is disabled */ + if (!musb_ep->desc) { + dev_dbg(musb->controller, "ep:%s disabled - ignore request\n", + musb_ep->end_point.name); + return; + } + /* we shouldn't get here while DMA is active ... but we do ... */ if (dma_channel_status(musb_ep->dma) == MUSB_DMA_STATUS_BUSY) { dev_dbg(musb->controller, "dma pending...\n"); @@ -650,6 +657,13 @@ static void rxstate(struct musb *musb, struct musb_request *req) len = musb_ep->packet_sz; + /* Check if EP is disabled */ + if (!musb_ep->desc) { + dev_dbg(musb->controller, "ep:%s disabled - ignore request\n", + musb_ep->end_point.name); + return; + } + /* We shouldn't get here while DMA is active, but we do... */ if (dma_channel_status(musb_ep->dma) == MUSB_DMA_STATUS_BUSY) { dev_dbg(musb->controller, "DMA pending...\n"); |