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[PATCH/USB,16/16] USB: musb: don't dereference NULL tusb_dma in dma_controller_destroy()

Message ID 1263906855-28341-17-git-send-email-felipe.balbi@nokia.com (mailing list archive)
State Accepted
Commit de644557a6b1d76fdd266169098f25226c56f778
Headers show

Commit Message

Felipe Balbi Jan. 19, 2010, 1:14 p.m. UTC 
None
diff mbox

Patch

diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index e13c770..1c86809 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -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);