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-rw-r--r--drivers/scsi/scsi_lib.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 43318d556cbc..9ea95dd3e260 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1918,7 +1918,9 @@ static int scsi_mq_prep_fn(struct request *req)
if (scsi_host_get_prot(shost)) {
cmd->prot_sdb = (void *)sg +
- shost->sg_tablesize * sizeof(struct scatterlist);
+ min_t(unsigned int,
+ shost->sg_tablesize, SCSI_MAX_SG_SEGMENTS) *
+ sizeof(struct scatterlist);
memset(cmd->prot_sdb, 0, sizeof(struct scsi_data_buffer));
cmd->prot_sdb->table.sgl =