mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-28 13:22:57 +00:00
Code Issues Releases Wiki Activity

HID: amd_sfh: Add missing check for dma_alloc_coherent

Browse source 
Add check for the return value of the dma_alloc_coherent since
it may return NULL pointer if allocation fails.

Fixes: 4b2c53d93a ("SFH:Transport Driver to add support of AMD Sensor Fusion Hub (SFH)")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Acked-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20221220024921.21992-1-jiasheng@iscas.ac.cn
This commit is contained in:
Jiasheng Jiang 2022-12-20 10:49:21 +08:00 committed by Benjamin Tissoires
parent 0ee29814c6
commit 53ffa6a9f8
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/hid/amd-sfh-hid/amd_sfh_client.c
View file

@ -237,6 +237,10 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata)
in_data->sensor_virt_addr[i] = dma_alloc_coherent(dev, sizeof(int) * 8,
&cl_data->sensor_dma_addr[i],
GFP_KERNEL);
if (!in_data->sensor_virt_addr[i]) {
rc = -ENOMEM;
goto cleanup;
}
cl_data->sensor_sts[i] = SENSOR_DISABLED;
cl_data->sensor_requested_cnt[i] = 0;
cl_data->cur_hid_dev = i;