brcm80211: fmac: add function to free the glom skb queue

In several places in dhd_sdio.c a skb packet queue was being emptied
and the packets freed. This warrants to have a function in place to
do this.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index c406b46..d8a521a 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -1119,6 +1119,16 @@ static uint brcmf_sdbrcm_glom_len(struct brcmf_bus *bus)
        return total;
 }
 
+static void brcmf_sdbrcm_free_glom(struct brcmf_bus *bus)
+{
+       struct sk_buff *cur, *next;
+
+       skb_queue_walk_safe(&bus->glom, cur, next) {
+               skb_unlink(cur, &bus->glom);
+               brcmu_pkt_buf_free_skb(cur);
+       }
+}
+
 static u8 brcmf_sdbrcm_rxglom(struct brcmf_bus *bus, u8 rxseq)
 {
        u16 dlen, totlen;
@@ -1203,11 +1213,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_bus *bus, u8 rxseq)
                        }
                        pfirst = pnext = NULL;
                } else {
-                       if (!skb_queue_empty(&bus->glom))
-                               skb_queue_walk_safe(&bus->glom, pfirst, pnext) {
-                                       skb_unlink(pfirst, &bus->glom);
-                                       brcmu_pkt_buf_free_skb(pfirst);
-                               }
+                       brcmf_sdbrcm_free_glom(bus);
                        num = 0;
                }
 
@@ -1274,10 +1280,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_bus *bus, u8 rxseq)
                                bus->glomerr = 0;
                                brcmf_sdbrcm_rxfail(bus, true, false);
                                bus->rxglomfail++;
-                               skb_queue_walk_safe(&bus->glom, pfirst, pnext) {
-                                       skb_unlink(pfirst, &bus->glom);
-                                       brcmu_pkt_buf_free_skb(pfirst);
-                               }
+                               brcmf_sdbrcm_free_glom(bus);
                        }
                        return 0;
                }
@@ -1399,10 +1402,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_bus *bus, u8 rxseq)
                                bus->glomerr = 0;
                                brcmf_sdbrcm_rxfail(bus, true, false);
                                bus->rxglomfail++;
-                               skb_queue_walk_safe(&bus->glom, pfirst, pnext) {
-                                       skb_unlink(pfirst, &bus->glom);
-                                       brcmu_pkt_buf_free_skb(pfirst);
-                               }
+                               brcmf_sdbrcm_free_glom(bus);
                        }
                        bus->nextlen = 0;
                        return 0;
@@ -3369,8 +3369,6 @@ void brcmf_sdbrcm_bus_stop(struct brcmf_bus *bus)
        u8 saveclk;
        uint retries;
        int err;
-       struct sk_buff *cur;
-       struct sk_buff *next;
 
        brcmf_dbg(TRACE, "Enter\n");
 
@@ -3430,11 +3428,7 @@ void brcmf_sdbrcm_bus_stop(struct brcmf_bus *bus)
        /* Clear any held glomming stuff */
        if (bus->glomd)
                brcmu_pkt_buf_free_skb(bus->glomd);
-       if (!skb_queue_empty(&bus->glom))
-               skb_queue_walk_safe(&bus->glom, cur, next) {
-                       skb_unlink(cur, &bus->glom);
-                       brcmu_pkt_buf_free_skb(cur);
-               }
+       brcmf_sdbrcm_free_glom(bus);
 
        /* Clear rx control and wake any waiters */
        bus->rxlen = 0;