pinctrl: a minor error checking improvement for pinconf

Also checking invalid num_configs when validate the pinconf map.

Change-Id: I8d2e078a83a9912fce7c316f6ce595a1ac21ca53
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Git-commit: c95df2db2cb5a147b42374f391858232517c0576
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Hanumant Singh <hanumant@codeaurora.org>
1 file changed