diff options
Diffstat (limited to 'package/kernel/mac80211/patches/321-v4.17-0001-brcmfmac-assure-bcdc-dcmd-api-does-not-return-value-.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/321-v4.17-0001-brcmfmac-assure-bcdc-dcmd-api-does-not-return-value-.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/321-v4.17-0001-brcmfmac-assure-bcdc-dcmd-api-does-not-return-value-.patch b/package/kernel/mac80211/patches/321-v4.17-0001-brcmfmac-assure-bcdc-dcmd-api-does-not-return-value-.patch new file mode 100644 index 0000000..394fbfc --- /dev/null +++ b/package/kernel/mac80211/patches/321-v4.17-0001-brcmfmac-assure-bcdc-dcmd-api-does-not-return-value-.patch @@ -0,0 +1,68 @@ +From 5242a5444e0b6464d7455beb55d936dd192b5e9d Mon Sep 17 00:00:00 2001 +From: Arend Van Spriel <arend.vanspriel@broadcom.com> +Date: Mon, 22 Jan 2018 21:46:39 +0100 +Subject: [PATCH] brcmfmac: assure bcdc dcmd api does not return value > 0 + +The protocol layer api defines callbacks for dongle commands. +Although not really well documented these should only return an +error code in case of an error, or 0 upon success. In the bcdc +protocol it can return value above 0 and we carry a fix in the +caller of the protocol layer api. This patch makes it adhere to +the intent of the api as described above. + +Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> +Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> +Reviewed-by: Franky Lin <franky.lin@broadcom.com> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c | 6 +++++- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c | 8 +++----- + 2 files changed, 8 insertions(+), 6 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c +@@ -211,6 +211,8 @@ retry: + memcpy(buf, info, len); + } + ++ ret = 0; ++ + /* Check the ERROR flag */ + if (flags & BCDC_DCMD_ERROR) + ret = le32_to_cpu(msg->status); +@@ -225,7 +227,7 @@ brcmf_proto_bcdc_set_dcmd(struct brcmf_p + { + struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; + struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; +- int ret = 0; ++ int ret; + u32 flags, id; + + brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len); +@@ -249,6 +251,8 @@ brcmf_proto_bcdc_set_dcmd(struct brcmf_p + goto done; + } + ++ ret = 0; ++ + /* Check the ERROR flag */ + if (flags & BCDC_DCMD_ERROR) + ret = le32_to_cpu(msg->status); +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c +@@ -121,11 +121,9 @@ brcmf_fil_cmd_data(struct brcmf_if *ifp, + else + err = brcmf_proto_query_dcmd(drvr, ifp->ifidx, cmd, data, len); + +- if (err >= 0) +- return 0; +- +- brcmf_dbg(FIL, "Failed: %s (%d)\n", +- brcmf_fil_get_errstr((u32)(-err)), err); ++ if (err) ++ brcmf_dbg(FIL, "Failed: %s (%d)\n", ++ brcmf_fil_get_errstr((u32)(-err)), err); + + return err; + } |