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| author | Mathias Kresin <dev@kresin.me> | 2017-07-25 20:23:28 +0200 |
|---|---|---|
| committer | Mathias Kresin <dev@kresin.me> | 2017-07-27 09:12:15 +0200 |
| commit | a3995a678551c699c9702ed28003c2ba868d2db1 (patch) | |
| tree | 209d18f8dbb3fdd133b87aa34f303183d3009aea | |
| parent | bf5d32af2a675f7577b388b5eef2a11e6ce042eb (diff) | |
| download | mtk-20170518-a3995a678551c699c9702ed28003c2ba868d2db1.zip mtk-20170518-a3995a678551c699c9702ed28003c2ba868d2db1.tar.gz mtk-20170518-a3995a678551c699c9702ed28003c2ba868d2db1.tar.bz2 | |
ramips: pinctrl: return proper error if pinctrl0 is empty
Children of the pinctrl0 node are optional. Return EINVAL (=missing)
instead of 0. Fixes a hang if the pinctrl0 has no children.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Acked-by: John Crispin <john@phrozen.org>
| -rw-r--r-- | target/linux/ramips/patches-4.9/0025-pinctrl-ralink-add-pinctrl-driver.patch | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target/linux/ramips/patches-4.9/0025-pinctrl-ralink-add-pinctrl-driver.patch b/target/linux/ramips/patches-4.9/0025-pinctrl-ralink-add-pinctrl-driver.patch index 6e0d643..dc45852 100644 --- a/target/linux/ramips/patches-4.9/0025-pinctrl-ralink-add-pinctrl-driver.patch +++ b/target/linux/ramips/patches-4.9/0025-pinctrl-ralink-add-pinctrl-driver.patch @@ -193,7 +193,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> + } + + if (!max_maps) -+ return max_maps; ++ return -EINVAL; + + *map = kzalloc(max_maps * sizeof(struct pinctrl_map), GFP_KERNEL); + if (!*map) |