The function brcmf_usb_dlneeded() calls the function brcmf_usb_dl_cmd()
but dose not check its return value. Though there is an error log in the
brcmf_usb_dl_cmd(), it is not clear enough to describe the error state.
Add error handling in brcmf_usb_dlneeded() to log the error message if
the brcmf_usb_dl_cmd() fails.
Signed-off-by: Wentao Liang <vulab@xxxxxxxxxxx>
---
v2: Remove redundant bailing out code.
drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
index 2821c27f317e..8e2b41cfe5cf 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
@@ -790,6 +790,7 @@ brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo)
{
struct bootrom_id_le id;
u32 chipid, chiprev;
+ int err;
brcmf_dbg(USB, "Enter\n");
@@ -798,7 +799,9 @@ brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo)
/* Check if firmware downloaded already by querying runtime ID */
id.chip = cpu_to_le32(0xDEAD);
- brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id));
+ err = brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id));
+ if (err)
+ brcmf_err("DL_GETVER failed: err=%d\n", err);
chipid = le32_to_cpu(id.chip);
chiprev = le32_to_cpu(id.chiprev);
--
2.42.0.windows.2
