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-rw-r--r--drivers/scsi/libfc/fc_fcp.c3
-rw-r--r--include/scsi/fc_frame.h3
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 40ed7442d9df..28bfe1c2c50a 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -574,7 +574,8 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
tlen -= sg_bytes;
remaining -= sg_bytes;
- if (tlen)
+ if ((skb_shinfo(fp_skb(fp))->nr_frags < FC_FRAME_SG_LEN) &&
+ (tlen))
continue;
/*
diff --git a/include/scsi/fc_frame.h b/include/scsi/fc_frame.h
index c35d2383cc26..148126dcf9e9 100644
--- a/include/scsi/fc_frame.h
+++ b/include/scsi/fc_frame.h
@@ -37,6 +37,9 @@
#define FC_FRAME_HEADROOM 32 /* headroom for VLAN + FCoE headers */
#define FC_FRAME_TAILROOM 8 /* trailer space for FCoE */
+/* Max number of skb frags allowed, reserving one for fcoe_crc_eof page */
+#define FC_FRAME_SG_LEN (MAX_SKB_FRAGS - 1)
+
#define fp_skb(fp) (&((fp)->skb))
#define fr_hdr(fp) ((fp)->skb.data)
#define fr_len(fp) ((fp)->skb.len)