diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c index e64557c35553..f4644cf371c7 100644 --- 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(struct brcmf_bus *bus, const void *data, { 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; } @@ -49,10 +58,18 @@ static int brcmf_debug_psm_watchdog_notify(struct brcmf_if *ifp, const struct brcmf_event_msg *evtmsg, void *data) { + int err; + brcmf_dbg(TRACE, "enter: bsscfgidx=%d\n", ifp->bsscfgidx); - return brcmf_debug_create_memdump(ifp->drvr->bus_if, data, - evtmsg->datalen); + brcmf_err("PSM's watchdog has fired!\n"); + + err = brcmf_debug_create_memdump(ifp->drvr->bus_if, data, + evtmsg->datalen); + if (err) + brcmf_err("Failed to get memory dump, %d\n", err); + + return err; } void brcmf_debugfs_init(void) |