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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-12-11 13:54:27 +0300 |
|---|---|---|
| committer | Darren Hart (VMware) <dvhart@infradead.org> | 2017-12-11 16:32:30 -0800 |
| commit | 91c73e809233e8f93278458b2818fd577c3deb02 (patch) | |
| tree | 1ed9a5ff48eb647642fdb8813e8978e077f832ac | |
| parent | 9cd5cf3710a04e6bab8efac08c241bfce2795c02 (diff) | |
| download | lwn-91c73e809233e8f93278458b2818fd577c3deb02.tar.gz lwn-91c73e809233e8f93278458b2818fd577c3deb02.zip | |
platform/x86: dell-wmi: check for kmalloc() errors
This allocation won't fail in the current kernel because it's small but
not checking for kmalloc() failures introduces static checker warnings
so let's fix it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| -rw-r--r-- | drivers/platform/x86/dell-wmi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 39d2f4518483..fb25b20df316 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -639,6 +639,8 @@ static int dell_wmi_events_set_enabled(bool enable) int ret; buffer = kzalloc(sizeof(struct calling_interface_buffer), GFP_KERNEL); + if (!buffer) + return -ENOMEM; buffer->cmd_class = CLASS_INFO; buffer->cmd_select = SELECT_APP_REGISTRATION; buffer->input[0] = 0x10000; |