IB/srp: Fix use-after-free in srp_reset_req()
authorBart Van Assche <bvanassche@acm.org>
Fri, 24 Aug 2012 10:27:54 +0000 (10:27 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 7 Oct 2012 15:32:29 +0000 (08:32 -0700)
commit0e4765fd9c0f8df577e0b8cbea927c2051710f27
tree865fee5c7fbeaa9dd8c2967ccea91076dfc7b4a6
parent350f3edb0a05c340853c75f4c5007a72ebd9e32f
IB/srp: Fix use-after-free in srp_reset_req()

commit 9b796d06d5d1b1e85ae2316a283ea11dd739ef96 upstream.

srp_free_req() uses the scsi_cmnd structure contents to unmap
buffers, so we must invoke srp_free_req() before we release
ownership of that structure.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dillowda@ornl.gov>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/infiniband/ulp/srp/ib_srp.c