X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=target%2Flinux%2Far71xx%2Fpatches-4.4%2F613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch;h=5c1205d59f917bdb8141733b9d7f8fed682b0185;hb=f80963d4d18d67c3190d40b7eadaa0e427ccbf7b;hp=a832bf84ceb0249e60745aadca6b7c837ff267b3;hpb=2530640f07cd2b3b14fe9ec03fa63a586452cc5f;p=librecmc%2Flibrecmc.git

diff --git a/target/linux/ar71xx/patches-4.4/613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch b/target/linux/ar71xx/patches-4.4/613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch
index a832bf84ce..5c1205d59f 100644
--- a/target/linux/ar71xx/patches-4.4/613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch
+++ b/target/linux/ar71xx/patches-4.4/613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch
@@ -12,18 +12,18 @@
  #include "dev-wmac.h"
  
  static u8 ath79_wmac_mac[ETH_ALEN];
-@@ -313,6 +315,51 @@ void __init ath79_wmac_set_tx_gain_buffa
+@@ -324,6 +326,51 @@ void __init ath79_wmac_set_tx_gain_buffa
  	ath79_wmac_data.tx_gain_buffalo = true;
  }
  
 +static int ath79_request_ext_lna_gpio(unsigned chain, int gpio)
 +{
-+	char buf[32];
 +	char *label;
 +	int err;
 +
-+	scnprintf(buf, sizeof(buf), "external LNA%u", chain);
-+	label = kstrdup(buf, GFP_KERNEL);
++	label = kasprintf(GFP_KERNEL, "external LNA%u", chain);
++	if (!label)
++		return -ENOMEM;
 +
 +	err = gpio_request_one(gpio, GPIOF_DIR_OUT | GPIOF_INIT_LOW, label);
 +	if (err) {