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net: fec_ptp: add clock rate zero check
authorFugang Duan <fugang.duan@nxp.com>
Wed, 16 Jun 2021 09:14:25 +0000 (17:14 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 16 Jun 2021 19:39:03 +0000 (12:39 -0700)
commitf6ee954db19192fe9f6035387a1f4355fd77d119
tree0248ddfa4289a40dd5208ff80186e59441cba267tree | snapshot
parent6b1c619a6894a407a0687ad6f1342c4085848298commit | diff
net: fec_ptp: add clock rate zero check

Add clock rate zero check to fix coverity issue of "divide by 0".

Fixes: commit 8cb66d3b7643 ("net: fec: fix spin_lock dead lock")
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/freescale/fec_ptp.c diff | blob | history
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