From: Claudiu Beznea claudiu.beznea@microchip.com
[ Upstream commit b73ed981da6d25c921aaefa7ca3df85bbd85b7fc ]
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: b745c0794e2f ("clk: keystone: Add sci-clk driver support") Depends-on: 96488c09b0f4 ("clk: keystone: sci-clk: cut down the clock name length") Signed-off-by: Claudiu Beznea claudiu.beznea@microchip.com Link: https://lore.kernel.org/r/20230530093913.1656095-7-claudiu.beznea@microchip.... Reviewed-by: Tony Lindgren tony@atomide.com Signed-off-by: Stephen Boyd sboyd@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/clk/keystone/sci-clk.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c index d4b4e74e22da6..254f2cf24be21 100644 --- a/drivers/clk/keystone/sci-clk.c +++ b/drivers/clk/keystone/sci-clk.c @@ -294,6 +294,8 @@ static int _sci_clk_build(struct sci_clk_provider *provider,
name = kasprintf(GFP_KERNEL, "clk:%d:%d", sci_clk->dev_id, sci_clk->clk_id); + if (!name) + return -ENOMEM;
init.name = name;