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| author | John Crispin <john@openwrt.org> | 2016-04-26 11:43:42 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2016-04-26 11:43:42 +0000 |
| commit | 69a368cf7e1906d874e190031787b4dcb4493add (patch) | |
| tree | 52146d04e77056480297ec0d6f5d333fc9d407eb /target/linux | |
| parent | 301d48b8f03c7460efac50007154ab2426db188a (diff) | |
| download | mtk-20170518-69a368cf7e1906d874e190031787b4dcb4493add.zip mtk-20170518-69a368cf7e1906d874e190031787b4dcb4493add.tar.gz mtk-20170518-69a368cf7e1906d874e190031787b4dcb4493add.tar.bz2 | |
ar71xx: simplify patch 613 and add missing error handling
Dynamic allocation of label can be simplified.
Also add error handling to deal with failed memory allocation.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
SVN-Revision: 49244
Diffstat (limited to 'target/linux')
2 files changed, 6 insertions, 6 deletions
diff --git a/target/linux/ar71xx/patches-4.1/613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch b/target/linux/ar71xx/patches-4.1/613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch index a832bf8..e8bbe44 100644 --- a/target/linux/ar71xx/patches-4.1/613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch +++ b/target/linux/ar71xx/patches-4.1/613-MIPS-ath79-add-ath79_wmac_setup_ext_lna_gpio-helper.patch @@ -18,12 +18,12 @@ +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) { 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 a832bf8..e8bbe44 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 @@ -18,12 +18,12 @@ +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) { |