[PATCH] ARM: mvebu: Prevent null pointer dereference caused by kzalloc failure

[Russell King (Oracle)]

On Sun, Feb 25, 2024 at 02:04:01PM +0800, Duoming Zhou wrote:
> The kzalloc() in i2c_quirk() will return null if the physical
> memory has run out. As a result, if we dereference the new_compat
> pointer, the null pointer dereference bug will happen.
> 
> This patch adds a check to avoid null pointer dereference.

Yet again another janitorial patch that is Way too focused on a single
issue, rather than analysing the code and proposing the best fix. :(

What if the two kstrdup() fail?

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!