| Message ID | 20240917105331.21945-1-amishin@t-argos.ru |
|---|---|
| State | New |
| Headers | show |
| Series | Bluetooth: btbcm: Handle memory allocation failure in btbcm_get_board_name() | expand |
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index f9a7c790d7e2..84273b7f02e1 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -554,6 +554,8 @@ static const char *btbcm_get_board_name(struct device *dev) /* get rid of any '/' in the compatible string */ board_type = devm_kstrdup(dev, tmp, GFP_KERNEL); + if (!board_type) + return NULL; strreplace(board_type, '/', '-'); of_node_put(root);
In btbcm_get_board_name() devm_kstrdup() can return NULL due to memory allocation failure. Add NULL return check to prevent NULL dereference. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 63fac3343b99 ("Bluetooth: btbcm: Support per-board firmware variants") Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru> --- drivers/bluetooth/btbcm.c | 2 ++ 1 file changed, 2 insertions(+)