[PATCH] misc: amd-sbi: Add null check for devm_kasprintf()

[Griffin Kroah-Hartman]

Add two checks for devm_kasprintf() errors in create_misc_rmi_device(),
returning -ENOMEM if the function failed.

Assisted-by: gkh_clanker_t1000
CC: Arnd Bergmann <arnd@xxxxxxxx>
CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
CC: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@xxxxxxx>
CC: Akshay Gupta <Akshay.Gupta@xxxxxxx>
Signed-off-by: Griffin Kroah-Hartman <griffin@xxxxxxxxx>
---
 drivers/misc/amd-sbi/rmi-core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/misc/amd-sbi/rmi-core.c b/drivers/misc/amd-sbi/rmi-core.c
index d4238ebad3c6..95c9109101b5 100644
--- a/drivers/misc/amd-sbi/rmi-core.c
+++ b/drivers/misc/amd-sbi/rmi-core.c
@@ -581,6 +581,8 @@ int create_misc_rmi_device(struct sbrmi_data *data,
 							 GFP_KERNEL,
 							 "sbrmi-%x",
 							 data->dev_static_addr);
+	if (!data->sbrmi_misc_dev.name)
+		return -ENOMEM;
 	data->sbrmi_misc_dev.minor	= MISC_DYNAMIC_MINOR;
 	data->sbrmi_misc_dev.fops	= &sbrmi_fops;
 	data->sbrmi_misc_dev.parent	= dev;
@@ -588,6 +590,8 @@ int create_misc_rmi_device(struct sbrmi_data *data,
 							 GFP_KERNEL,
 							 "sbrmi-%x",
 							 data->dev_static_addr);
+	if (!data->sbrmi_misc_dev.nodename)
+		return -ENOMEM;
 	data->sbrmi_misc_dev.mode	= 0600;
 
 	return misc_register(&data->sbrmi_misc_dev);
-- 
2.55.0