From 368cc8ef47b3237c6c08df52bb70210cfc7647b6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Fri, 10 Feb 2017 00:17:08 +0100 Subject: mac80211: update brcmfmac backporting brcmf_err cleanups MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki --- ...eck-brcmf_bus_get_memdump-result-for-erro.patch | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 package/kernel/mac80211/patches/318-0001-brcmfmac-check-brcmf_bus_get_memdump-result-for-erro.patch (limited to 'package/kernel/mac80211/patches/318-0001-brcmfmac-check-brcmf_bus_get_memdump-result-for-erro.patch') diff --git a/package/kernel/mac80211/patches/318-0001-brcmfmac-check-brcmf_bus_get_memdump-result-for-erro.patch b/package/kernel/mac80211/patches/318-0001-brcmfmac-check-brcmf_bus_get_memdump-result-for-erro.patch new file mode 100644 index 0000000000..4ae4c606c5 --- /dev/null +++ b/package/kernel/mac80211/patches/318-0001-brcmfmac-check-brcmf_bus_get_memdump-result-for-erro.patch @@ -0,0 +1,52 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Mon, 30 Jan 2017 16:09:51 +0100 +Subject: [PATCH] brcmfmac: check brcmf_bus_get_memdump result for error +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This method may be unsupported (see: USB bus) or may just fail (see: +SDIO bus). +While at it rework logic in brcmf_sdio_bus_get_memdump function to avoid +too many conditional code nesting levels. + +Signed-off-by: Rafał Miłecki +Acked-by: Arend van Spriel +Signed-off-by: Kalle Valo +--- + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c +@@ -32,16 +32,25 @@ static int brcmf_debug_create_memdump(st + { + void *dump; + size_t ramsize; ++ int err; + + ramsize = brcmf_bus_get_ramsize(bus); +- if (ramsize) { +- dump = vzalloc(len + ramsize); +- if (!dump) +- return -ENOMEM; +- memcpy(dump, data, len); +- brcmf_bus_get_memdump(bus, dump + len, ramsize); +- dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL); ++ if (!ramsize) ++ return -ENOTSUPP; ++ ++ dump = vzalloc(len + ramsize); ++ if (!dump) ++ return -ENOMEM; ++ ++ memcpy(dump, data, len); ++ err = brcmf_bus_get_memdump(bus, dump + len, ramsize); ++ if (err) { ++ vfree(dump); ++ return err; + } ++ ++ dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL); ++ + return 0; + } + -- cgit v1.2.3