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accel/amdxdna: Check drmm_mutex_init() return value

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drmm_mutex_init() may fail and return an error. Check the return value
and abort initialization if mutex creation fails.

Fixes: 8c9ff1b181 ("accel/amdxdna: Add a new driver for AMD AI Engine")
Reviewed-by: Max Zhen <max.zhen@amd.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260707172307.539676-1-lizhi.hou@amd.com
This commit is contained in:
Lizhi Hou 2026-07-07 10:23:07 -07:00
parent 2f8b8593c7
commit 0f092793a7
1 changed files with 4 additions and 1 deletions
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5
drivers/accel/amdxdna/amdxdna_pci_drv.c
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@ -373,7 +373,10 @@ static int amdxdna_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
return ret;
drmm_mutex_init(ddev, &xdna->dev_lock);
ret = drmm_mutex_init(ddev, &xdna->dev_lock);
if (ret)
return ret;
init_rwsem(&xdna->notifier_lock);
INIT_LIST_HEAD(&xdna->client_list);
pci_set_drvdata(pdev, xdna);