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path: root/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
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Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
index 504832084eca9..489b5dfdf5b9d 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
@@ -40,7 +40,8 @@ int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
if (!dump)
return -ENOMEM;
- memcpy(dump, data, len);
+ if (data && len > 0)
+ memcpy(dump, data, len);
err = brcmf_bus_get_memdump(bus, dump + len, ramsize);
if (err) {
vfree(dump);