IB/srp: Fix srp_map_data() error paths

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Ensure that req->nmdesc is set correctly in srp_map_sg() if mapping
fails. Avoid that mapping failure causes a memory descriptor leak.
Report srp_map_sg() failure to the caller.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Bart Van Assche 2016-04-22 14:13:35 -07:00 • committed by Doug Ledford

parent 77269cdfca

commit e012f3639c

1 changed files with 13 additions and 11 deletions

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drivers/infiniband/ulp/srp/ib_srp.c

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