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authorRajendra Nayak <rnayak@ti.com>2012-07-03 12:11:41 +0530
committerMike Turquette <mturquette@linaro.org>2012-07-03 12:05:14 -0700
commit863b13271f1608ab3af6f7a371047d9a66693e38 (patch)
tree990c7445eff9b8da1e52eeca07101c13d928c920 /fs
parent6887a4131da3adaab011613776d865f4bcfb5678 (diff)
clk: fix parent validation in __clk_set_parent()
The below commit introduced a bug in __clk_set_parent() which could cause it to *skip* the parent validation which makes sure the parent passed to the api is a valid one. commit 7975059db572eb47f0fb272a62afeae272a4b209 Author: Rajendra Nayak <rnayak@ti.com> Date: Wed Jun 6 14:41:31 2012 +0530 clk: Allow late cache allocation for clk->parents This was identified by the following compiler warning.. drivers/clk/clk.c: In function '__clk_set_parent': drivers/clk/clk.c:1083:5: warning: 'i' may be used uninitialized in this function [-Wuninitialized] .. as reported by Marc Kleine-Budde. There were various options discussed on how to fix this, one being initing 'i' to clk->num_parents, but the below approach was found to be more appropriate as it also makes the 'parent validation' code simpler to read. Reported-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> Cc: stable@kernel.org
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