[PATCH v2] brcmfmac: Fix memory leak for unpaired brcmf_{alloc/free}

[Seung-Woo Kim]

There are missig brcmf_free() for brcmf_alloc(). Fix memory leak
by adding missed brcmf_free().

Reported-by: Jaehoon Chung <jh80.ch...@samsung.com>
Fixes: commit 450914c39f88 ("brcmfmac: split brcmf_attach() and brcmf_detach() 
functions")
Signed-off-by: Seung-Woo Kim <sw0312....@samsung.com>
Reviewed-by: Arend van Spriel <arend.vanspr...@broadcom.com>
---
Change from v1 [1]
- add Fixes tag for the commit creating brcmf_alloc/free and unpaired path
- add Reviewd-by tag from Arend

[1] 
https://lore.kernel.org/linux-wireless/1603795630-14638-1-git-send-email-sw0312....@samsung.com/
---
 .../wireless/broadcom/brcm80211/brcmfmac/pcie.c    |    6 ++++--
 .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    |    1 +
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index 39381cb..d8db0db 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -1936,16 +1936,18 @@ static void brcmf_pcie_setup(struct device *dev, int 
ret,
        fwreq = brcmf_pcie_prepare_fw_request(devinfo);
        if (!fwreq) {
                ret = -ENOMEM;
-               goto fail_bus;
+               goto fail_brcmf;
        }
 
        ret = brcmf_fw_get_firmwares(bus->dev, fwreq, brcmf_pcie_setup);
        if (ret < 0) {
                kfree(fwreq);
-               goto fail_bus;
+               goto fail_brcmf;
        }
        return 0;
 
+fail_brcmf:
+       brcmf_free(&devinfo->pdev->dev);
 fail_bus:
        kfree(bus->msgbuf);
        kfree(bus);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 99987a7..59c2b2b 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -4541,6 +4541,7 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus)
                brcmf_sdiod_intr_unregister(bus->sdiodev);
 
                brcmf_detach(bus->sdiodev->dev);
+               brcmf_free(bus->sdiodev->dev);
 
                cancel_work_sync(&bus->datawork);
                if (bus->brcmf_wq)
-- 
1.7.4.1