Re: [PATCH net v3] mctp i2c: handle NULL header address

[Simon Horman]

On Tue, Oct 22, 2024 at 06:25:14PM +0800, Matt Johnston wrote:
> daddr can be NULL if there is no neighbour table entry present,
> in that case the tx packet should be dropped.
> 
> saddr will usually be set by MCTP core, but check for NULL in case a
> packet is transmitted by a different protocol.
> 
> Fixes: f5b8abf9fc3d ("mctp i2c: MCTP I2C binding driver")
> Cc: stable@xxxxxxxxxxxxxxx
> Reported-by: Dung Cao <dung@xxxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Matt Johnston <matt@xxxxxxxxxxxxxxxxxxxx>
> ---
> Changes in v3:
> - Revert to simpler saddr check of v1, mention in commit message
> - Revert whitespace change from v2
> - Link to v2: https://lore.kernel.org/r/20241021-mctp-i2c-null-dest-v2-1-4503e478517c@xxxxxxxxxxxxxxxxxxxx
> 
> Changes in v2:
> - Set saddr to device address if NULL, mention in commit message
> - Fix patch prefix formatting
> - Link to v1: https://lore.kernel.org/r/20241018-mctp-i2c-null-dest-v1-1-ba1ab52966e9@xxxxxxxxxxxxxxxxxxxx

Thanks for the updates Matt.

Reviewed-by: Simon Horman <horms@xxxxxxxxxx>