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scsi: lpfc: Remove reftag check in DIF paths
[ Upstream commit 8eebf0e ] When preparing protection DIF I/O for DMA, the driver obtains reference tags from scsi_prot_ref_tag(). Previously, there was a wrong assumption that an all 0xffffffff value meant error and thus the driver failed the I/O. This patch removes the evaluation code and accepts whatever the upper layer returns. Signed-off-by: Justin Tee <justin.tee@broadcom.com> Link: https://lore.kernel.org/r/20230803211932.155745-1-justintee8345@gmail.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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