devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: 0f485805d008a ("wifi: brcmfmac: acpi: Add support for fetching Apple ACPI properties") Signed-off-by: Li Qiang --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c index c4a54861bfb4..f8f6433bdf69 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c @@ -25,6 +25,8 @@ void brcmf_acpi_probe(struct device *dev, enum brcmf_bus_type bus_type, settings->board_type = devm_kasprintf(dev, GFP_KERNEL, "apple,%s", o->string.pointer); + if (!settings->board_type) + return; } else { brcmf_dbg(INFO, "No ACPI module-instance\n"); return; -- 2.25.1