clk: vc5: check memory returned by kasprintf()

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kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).

Fixes: f491276a51 ("clk: vc5: Allow Versaclock driver to support multiple instances")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-2-claudiu.beznea@microchip.com
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

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Claudiu Beznea 2023-05-30 12:39:06 +03:00 • committed by Stephen Boyd

parent ac9a78681b

commit 144601f622

1 changed files with 29 additions and 0 deletions

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drivers/clk/clk-versaclock5.c

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