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authorWolfram Sang <wsa@the-dreams.de>2018-03-24 13:39:18 +0100
committerWolfram Sang <wsa@the-dreams.de>2018-03-24 13:39:18 +0100
commit0b884c22c5b7f6ef985b3d39fed06ad1f8296042 (patch)
tree74504e80ad62cb0acabdfa796348d001d5d1a2a4 /drivers/nvme/target/core.c
parenteb49778c8c6cbe075cf90d741ccf16f674a8db4e (diff)
parent84e10623c0b9c81557918804f309d66aec86a233 (diff)
downloadlinux-0b884c22c5b7f6ef985b3d39fed06ad1f8296042.tar.gz
linux-0b884c22c5b7f6ef985b3d39fed06ad1f8296042.tar.xz
Merge tag 'at24-4.17-updates-for-wolfram' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-4.17
"three new special cases for device tree compatible strings"
Diffstat (limited to 'drivers/nvme/target/core.c')
-rw-r--r--drivers/nvme/target/core.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 0bd737117a80..a78029e4e5f4 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -520,9 +520,12 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
goto fail;
}
- /* either variant of SGLs is fine, as we don't support metadata */
- if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF &&
- (flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METASEG)) {
+ /*
+ * For fabrics, PSDT field shall describe metadata pointer (MPTR) that
+ * contains an address of a single contiguous physical buffer that is
+ * byte aligned.
+ */
+ if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF)) {
status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto fail;
}