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![Dan Carpenter](https://secure.gravatar.com/avatar/85ff6b2aa66ef9f0bf35105783fd2ae2.jpg?s=96&d=mm)
Dan Carpenter committed 068cf29eca4
mailbox: bcm-pdc: potential NULL dereference in pdc_shutdown() We can't pass NULL pointers to pdc_ring_free() so I moved the check for NULL. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>