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clk: at91: fix check of clk_register() returned value

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commit cb0ceaf77d upstream.

The clk_register() function returns a valid pointer to struct clk or
ERR_PTR() error code, this makes a check for returned NULL value
useless and may lead to oops on error path.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Fixes: bcc5fd49a0 ("clk: at91: add a driver for the h32mx clock")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vladimir Zapolskiy 2016-03-08 01:41:29 +02:00 committed by Greg Kroah-Hartman
parent d529842900
commit 4ee87930e4
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/at91/clk-h32mx.c
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@ -116,7 +116,7 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np,
h32mxclk->pmc = pmc;
clk = clk_register(NULL, &h32mxclk->hw);
if (!clk) {
if (IS_ERR(clk)) {
kfree(h32mxclk);
return;
}