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scsi: libfc: pass an error pointer to fc_disc_error()
This patch is basically to silence a static checker warning.
drivers/scsi/libfc/fc_disc.c:326 fc_disc_error()
warn: passing a valid pointer to 'PTR_ERR'
It doesn't affect runtime because it treats -ENOMEM and a valid pointer
the same. But the documentation says we should be passing an error
pointer.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>