IB/srp: Fix srp_map_sg_fr()
authorBart Van Assche <bart.vanassche@sandisk.com>
Tue, 1 Dec 2015 18:19:38 +0000 (10:19 -0800)
committerDoug Ledford <dledford@redhat.com>
Mon, 7 Dec 2015 22:20:11 +0000 (17:20 -0500)
commit57b0be9c0fb0ba3a35683c6ce21db7162d6758c5
treed0caf2ef59d4965133b244945afb1c81d135b1dc
parenta745f4f410082fedc17be75e10e4098f300943db
IB/srp: Fix srp_map_sg_fr()

After dma_map_sg() has been called the return value of that function
must be used as the number of elements in the scatterlist instead of
scsi_sg_count().

Fixes: commit f7f7aab1a5c0 ("IB/srp: Convert to new registration API")
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: stable <stable@vger.kernel.org> # v4.4+
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Sebastian Parschauer <sebastian.riemer@profitbricks.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/ulp/srp/ib_srp.c
drivers/infiniband/ulp/srp/ib_srp.h