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(parent: 0e8f6e4) | patch
clk: make sure parent is not NULL in clk_fetch_parent_index()
authorMasahiro Yamada <yamada.masahiro@socionext.com>
Mon, 28 Dec 2015 10:23:08 +0000 (19:23 +0900)
committerStephen Boyd <sboyd@codeaurora.org>
Tue, 2 Feb 2016 19:53:15 +0000 (11:53 -0800)
commit508f884a66abb61f22fcc2b36ab1e68492f1d295
tree3f29be1edc1ea605eed5430a717b3ae5020f79b9tree | snapshot (tar.gz zip)
parent0e8f6e499ebfd3617c81a89778f55fa6c54623e8commit | diff
clk: make sure parent is not NULL in clk_fetch_parent_index()

If parent is given with NULL, clk_fetch_parent_index() could return
a positive index value.

Currently, parent is checked by the callers of this function, but
it would be safer to do it in this function.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/clk.c diff | blob | blame | history