pmdomain: ti: Add a null pointer check to the omap_prm_domain_init

commit 5d7f58ee08434a33340f75ac7ac5071eea9673b3 upstream.

devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Link: https://lore.kernel.org/r/20240118054257.200814-1-chentao@kylinos.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[Minor context change fixed]
Signed-off-by: Feng Liu <Feng.Liu3@windriver.com>
Signed-off-by: He Zhe <Zhe.He@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c
index 4a782bfd753c35ef112290914bb82dd97feab964..2ce8a8f4f005212d374c4e721dbf454feeb6e529 100644 (file)
--- a/drivers/soc/ti/omap_prm.c
+++ b/drivers/soc/ti/omap_prm.c
@@ -381,6 +381,8 @@ static int omap_prm_domain_init(struct device *dev, struct omap_prm *prm)
        data = prm->data;
        name = devm_kasprintf(dev, GFP_KERNEL, "prm_%s",
                              data->name);
+       if (!name)
+               return -ENOMEM;
 
        prmd->dev = dev;
        prmd->prm = prm;