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path: root/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 6b38d9de71af..b1727f35217b 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -23,7 +23,7 @@
#include <linux/bcma/bcma.h>
#include <linux/debugfs.h>
#include <linux/vmalloc.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <defs.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
@@ -3943,7 +3943,7 @@ static const struct brcmf_buscore_ops brcmf_sdio_buscore_ops = {
.write32 = brcmf_sdio_buscore_write32,
};
-static bool
+static int
brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
{
struct brcmf_sdio_dev *sdiodev;
@@ -3953,6 +3953,7 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
u32 reg_val;
u32 drivestrength;
u32 enum_base;
+ int ret = -EBADE;
sdiodev = bus->sdiodev;
sdio_claim_host(sdiodev->func1);
@@ -4001,8 +4002,9 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
BRCMF_BUSTYPE_SDIO,
bus->ci->chip,
bus->ci->chiprev);
- if (!sdiodev->settings) {
+ if (IS_ERR_OR_NULL(sdiodev->settings)) {
brcmf_err("Failed to get device parameters\n");
+ ret = PTR_ERR_OR_ZERO(sdiodev->settings);
goto fail;
}
/* platform specific configuration:
@@ -4071,7 +4073,7 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
/* allocate header buffer */
bus->hdrbuf = kzalloc(MAX_HDR_READ + bus->head_align, GFP_KERNEL);
if (!bus->hdrbuf)
- return false;
+ return -ENOMEM;
/* Locate an appropriately-aligned portion of hdrbuf */
bus->rxhdr = (u8 *) roundup((unsigned long)&bus->hdrbuf[0],
bus->head_align);
@@ -4082,11 +4084,11 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
if (bus->poll)
bus->pollrate = 1;
- return true;
+ return 0;
fail:
sdio_release_host(sdiodev->func1);
- return false;
+ return ret;
}
static int
@@ -4450,9 +4452,11 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
brcmf_dbg(TRACE, "Enter\n");
/* Allocate private bus interface state */
- bus = kzalloc(sizeof(struct brcmf_sdio), GFP_ATOMIC);
- if (!bus)
+ bus = kzalloc(sizeof(*bus), GFP_ATOMIC);
+ if (!bus) {
+ ret = -ENOMEM;
goto fail;
+ }
bus->sdiodev = sdiodev;
sdiodev->bus = bus;
@@ -4467,6 +4471,7 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
dev_name(&sdiodev->func1->dev));
if (!wq) {
brcmf_err("insufficient memory to create txworkqueue\n");
+ ret = -ENOMEM;
goto fail;
}
brcmf_sdiod_freezer_count(sdiodev);
@@ -4474,7 +4479,8 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
bus->brcmf_wq = wq;
/* attempt to attach to the dongle */
- if (!(brcmf_sdio_probe_attach(bus))) {
+ ret = brcmf_sdio_probe_attach(bus);
+ if (ret < 0) {
brcmf_err("brcmf_sdio_probe_attach failed\n");
goto fail;
}
@@ -4546,7 +4552,7 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
fail:
brcmf_sdio_remove(bus);
- return NULL;
+ return ERR_PTR(ret);
}
/* Detach and free everything */