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(parent: 48a23fa) | patch
pinmux: forbid mux_usecount to be set at UINT_MAX
authorRichard Genoud <richard.genoud@gmail.com>
Thu, 21 Mar 2013 11:21:47 +0000 (12:21 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Thu, 21 Mar 2013 18:26:18 +0000 (19:26 +0100)
commit740924a267e85de09707ea158bbf594b4d8bae01
tree7780a503c52891a2aac500cad9d9d3388fb5b648tree | snapshot
parent48a23fac5eb0030a2d578ee2bde21b6e035b3d57commit | diff
pinmux: forbid mux_usecount to be set at UINT_MAX

If pin_free is called on a pin already freed, mux_usecount is set to
UINT_MAX which is really a bad idea.

This will issue a warning, so that we can correct the code responsible
for the double free.

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/pinctrl/pinmux.c diff | blob | history
Linux kernel for KaRo TX COM modules