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authorDavid S. Miller <davem@davemloft.net>2016-02-23 08:09:14 +0300
committerDavid S. Miller <davem@davemloft.net>2016-02-23 08:09:14 +0300
commitb633353115e352d3c31c12d4c61978c810f05ea1 (patch)
tree055174a1b31a3e10fd2c505788fe6487b0028d00 /drivers/nvme/host/lightnvm.c
parentb1d95ae5c5bd3deba84d00c4f83d7d0836b5936f (diff)
parentdea08e604408d0303e2332896c5fdd8c1f7d79a2 (diff)
downloadlinux-b633353115e352d3c31c12d4c61978c810f05ea1.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/phy/bcm7xxx.c drivers/net/phy/marvell.c drivers/net/vxlan.c All three conflicts were cases of simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/nvme/host/lightnvm.c')
-rw-r--r--drivers/nvme/host/lightnvm.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 5cd3725e2fa4..6bb15e4926dc 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -146,9 +146,10 @@ struct nvme_nvm_command {
};
};
+#define NVME_NVM_LP_MLC_PAIRS 886
struct nvme_nvm_lp_mlc {
__u16 num_pairs;
- __u8 pairs[886];
+ __u8 pairs[NVME_NVM_LP_MLC_PAIRS];
};
struct nvme_nvm_lp_tbl {
@@ -282,9 +283,14 @@ static int init_grps(struct nvm_id *nvm_id, struct nvme_nvm_id *nvme_nvm_id)
memcpy(dst->lptbl.id, src->lptbl.id, 8);
dst->lptbl.mlc.num_pairs =
le16_to_cpu(src->lptbl.mlc.num_pairs);
- /* 4 bits per pair */
+
+ if (dst->lptbl.mlc.num_pairs > NVME_NVM_LP_MLC_PAIRS) {
+ pr_err("nvm: number of MLC pairs not supported\n");
+ return -EINVAL;
+ }
+
memcpy(dst->lptbl.mlc.pairs, src->lptbl.mlc.pairs,
- dst->lptbl.mlc.num_pairs >> 1);
+ dst->lptbl.mlc.num_pairs);
}
}