net: stmmac: add sanity check to device_property_read_u32_array call

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Currently the call to device_property_read_u32_array is not error checked
leading to potential garbage values in the delays array that are then used
in msleep delays.  Add a sanity check to the property fetching.

Addresses-Coverity: ("Uninitialized scalar variable")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Colin Ian King 2019-06-17 17:58:36 +01:00 • committed by David S. Miller

parent cf29a49879

commit 760f1dc295

1 changed files with 10 additions and 3 deletions

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drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c

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