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linux/drivers/net/xen-netback
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Eric Dumazet 1eb2cded45 net: annotate writes on dev->mtu from ndo_change_mtu() 
Simon reported that ndo_change_mtu() methods were never
updated to use WRITE_ONCE(dev->mtu, new_mtu) as hinted
in commit 501a90c945 ("inet: protect against too small
mtu values.")

We read dev->mtu without holding RTNL in many places,
with READ_ONCE() annotations.

It is time to take care of ndo_change_mtu() methods
to use corresponding WRITE_ONCE()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Simon Horman <horms@kernel.org>
Closes: https://lore.kernel.org/netdev/20240505144608.GB67882@kernel.org/
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20240506102812.3025432-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
History 2024-05-07 16:19:14 -07:00
..
common.h net: extend ubuf_info callback to ops structure 2024-04-22 16:21:35 -07:00
hash.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
interface.c net: annotate writes on dev->mtu from ndo_change_mtu() 2024-05-07 16:19:14 -07:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
netback.c Merge branch 'for-uring-ubufops' into HEAD 2024-04-22 17:15:39 -07:00
rx.c xen/netback: don't call kfree_skb() with interrupts disabled 2022-12-06 16:00:33 +01:00
xenbus.c driver core: make struct bus_type.uevent() take a const * 2023-01-27 13:45:52 +01:00