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44d95cc6b1
linux/drivers/net/ethernet/stmicro
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Colin Ian King 44d95cc6b1 net: stmmac: gmac5+: fix potential integer overflow on 32 bit multiply 
The multiplication of cfg->ctr[1] by 1000000000 is performed using a
32 bit multiplication (since cfg->ctr[1] is a u32) and this can lead
to a potential overflow. Fix this by making the constant a ULL to
ensure a 64 bit multiply occurs.

Fixes: 504723af0d ("net: stmmac: Add basic EST support for GMAC5+")
Addresses-Coverity: ("Unintentional integer overflow")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-04 11:57:21 -07:00
..
stmmac net: stmmac: gmac5+: fix potential integer overflow on 32 bit multiply 2020-05-04 11:57:21 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00