diff options
| author | Roel Kluin <roel.kluin@gmail.com> | 2010-01-09 21:57:44 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-02 14:54:14 -0800 |
| commit | 94089d56e456d2814c379538919180957a254e4a (patch) | |
| tree | 03e64466bbd6a647dd32c7ecaa0adeee5e89d95c | |
| parent | f7410ced7f931bb1ad79d1336412cf7b7a33cb14 (diff) | |
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 <roel.kluin@gmail.com>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/usb/musb/tusb6010_omap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c index e13c77052e5..1c868096bd6 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); |