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authorHarini Katakam <harini.katakam@xilinx.com>2019-03-20 16:42:22 +0300
committerDavid S. Miller <davem@davemloft.net>2019-03-21 23:22:41 +0300
commitcd5afa91f078c0787be0a62b5ef90301c00b0271 (patch)
tree4f0219e80adbc12e69d89e53f5d8c960fa9bd62a /net/sched/act_mirred.c
parent06acc17a96215a11134114aee26532b12dc8fde1 (diff)
downloadlinux-cd5afa91f078c0787be0a62b5ef90301c00b0271.tar.xz
net: macb: Add null check for PCLK and HCLK
Both PCLK and HCLK are "required" clocks according to macb devicetree documentation. There is a chance that devm_clk_get doesn't return a negative error but just a NULL clock structure instead. In such a case the driver proceeds as usual and uses pclk value 0 to calculate MDC divisor which is incorrect. Hence fix the same in clock initialization. Signed-off-by: Harini Katakam <harini.katakam@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/act_mirred.c')
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