1 files changed, 7 insertions, 44 deletions

diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
index a129a170b47..e2362b97f32 100644
--- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
+++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
@@ -1108,10 +1108,11 @@ static int ddp_set_map(struct cxgbi_sock *csk, struct cxgbi_pagepod_hdr *hdr,
                 csk, idx, npods, gl);
 
         for (i = 0; i < npods; i++, idx++, pm_addr += PPOD_SIZE) {
-                struct sk_buff *skb = ddp->gl_skb[idx];
+                struct sk_buff *skb = alloc_wr(sizeof(struct ulp_mem_io) +
+                                                PPOD_SIZE, 0, GFP_ATOMIC);
 
-                /* hold on to the skb until we clear the ddp mapping */
-                skb_get(skb);
+                if (!skb)
+                        return -ENOMEM;
 
                 ulp_mem_io_set_hdr(skb, pm_addr);
                 cxgbi_ddp_ppod_set((struct cxgbi_pagepod *)(skb->head +
@@ -1136,56 +1137,20 @@ static void ddp_clear_map(struct cxgbi_hba *chba, unsigned int tag,
                 cdev, idx, npods, tag);
 
         for (i = 0; i < npods; i++, idx++, pm_addr += PPOD_SIZE) {
-                struct sk_buff *skb = ddp->gl_skb[idx];
+                struct sk_buff *skb = alloc_wr(sizeof(struct ulp_mem_io) +
+                                                PPOD_SIZE, 0, GFP_ATOMIC);
 
                 if (!skb) {
-                        pr_err("tag 0x%x, 0x%x, %d/%u, skb NULL.\n",
+                        pr_err("tag 0x%x, 0x%x, %d/%u, skb OOM.\n",
                                 tag, idx, i, npods);
                         continue;
                 }
-                ddp->gl_skb[idx] = NULL;
-                memset(skb->head + sizeof(struct ulp_mem_io), 0, PPOD_SIZE);
                 ulp_mem_io_set_hdr(skb, pm_addr);
                 skb->priority = CPL_PRIORITY_CONTROL;
                 cxgb3_ofld_send(cdev->lldev, skb);
         }
 }
 
-static void ddp_free_gl_skb(struct cxgbi_ddp_info *ddp, int idx, int cnt)
-{
-        int i;
-
-        log_debug(1 << CXGBI_DBG_DDP,
-                "ddp 0x%p, idx %d, cnt %d.\n", ddp, idx, cnt);
-
-        for (i = 0; i < cnt; i++, idx++)
-                if (ddp->gl_skb[idx]) {
-                        kfree_skb(ddp->gl_skb[idx]);
-                        ddp->gl_skb[idx] = NULL;
-                }
-}
-
-static int ddp_alloc_gl_skb(struct cxgbi_ddp_info *ddp, int idx,
-                                   int cnt, gfp_t gfp)
-{
-        int i;
-
-        log_debug(1 << CXGBI_DBG_DDP,
-                "ddp 0x%p, idx %d, cnt %d.\n", ddp, idx, cnt);
-
-        for (i = 0; i < cnt; i++) {
-                struct sk_buff *skb = alloc_wr(sizeof(struct ulp_mem_io) +
-                                                PPOD_SIZE, 0, gfp);
-                if (skb)
-                        ddp->gl_skb[idx + i] = skb;
-                else {
-                        ddp_free_gl_skb(ddp, idx, i);
-                        return -ENOMEM;
-                }
-        }
-        return 0;
-}
-
 static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk,
                                        unsigned int tid, int pg_idx, bool reply)
 {
@@ -1316,8 +1281,6 @@ static int cxgb3i_ddp_init(struct cxgbi_device *cdev)
         }
         tdev->ulp_iscsi = ddp;
 
-        cdev->csk_ddp_free_gl_skb = ddp_free_gl_skb;
-        cdev->csk_ddp_alloc_gl_skb = ddp_alloc_gl_skb;
         cdev->csk_ddp_setup_digest = ddp_setup_conn_digest;
         cdev->csk_ddp_setup_pgidx = ddp_setup_conn_pgidx;
         cdev->csk_ddp_set = ddp_set_map;