[PATCH] clkdev: fix potential NULL pointer dereference

[Russell King (Oracle)]

On Tue, May 07, 2024 at 08:44:34AM +0200, Marek Szyprowski wrote:
> dev_fmt argument is optional, so avoid dereferencing it unconditionally.
> 
> Fixes: 4d11c62ca8d7 ("clkdev: report over-sized strings when creating clkdev entries")
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>

Please put this in the patch system so it can be merged along with the
change that created the problem. Thanks.

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