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Commit 94089d56 authored by Roel Kluin's avatar Roel Kluin Committed by Greg Kroah-Hartman
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USB: musb: don't dereference NULL tusb_dma in dma_controller_destroy() 



Test whether tusb_dma is not NULL before dereferencing

Signed-off-by: default avatarRoel Kluin <roel.kluin@gmail.com>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f7410ced

drivers/usb/musb/tusb6010_omap.c

+1 −1
Original line number Diff line number Diff line
@@ -648,7 +648,7 @@ void dma_controller_destroy(struct dma_controller *c) 
		}

	}



	if (!tusb_dma->multichannel && tusb_dma && tusb_dma->ch >= 0)

	if (tusb_dma && !tusb_dma->multichannel && tusb_dma->ch >= 0)

		omap_free_dma(tusb_dma->ch);



	kfree(tusb_dma);