From 94089d56e456d2814c379538919180957a254e4a Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Sat, 9 Jan 2010 21:57:44 +0100 Subject: USB: musb: don't dereference NULL tusb_dma in dma_controller_destroy() Test whether tusb_dma is not NULL before dereferencing Signed-off-by: Roel Kluin Cc: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/musb/tusb6010_omap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/musb/tusb6010_omap.c') diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c index e13c77052e5e..1c868096bd6f 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); -- cgit v1.2.3-59-g8ed1b