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

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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@arndb.de>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
CC: Akshay Gupta <Akshay.Gupta@amd.com>
Signed-off-by: Griffin Kroah-Hartman <griffin@kroah.com>
Link: https://patch.msgid.link/20260709132052.211683-1-griffin@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Griffin Kroah-Hartman 2026-07-09 15:20:52 +02:00 committed by Greg Kroah-Hartman
parent a361bd5bca
commit 1bb5c324b8
1 changed files with 4 additions and 0 deletions
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4
drivers/misc/amd-sbi/rmi-core.c
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@ -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);