dummy/linux-stable-mirror
1
0
Fork 1
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2025-04-19 20:58:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

Bluetooth: btbcm: Fix NULL deref in btbcm_get_board_name()

Browse Source 
devm_kstrdup() can return a NULL pointer on failure,but this
returned value in btbcm_get_board_name() is not checked.
Add NULL check in btbcm_get_board_name(), to handle kernel NULL
pointer dereference error.

Fixes: f9183eaad915 ("Bluetooth: btbcm: Use devm_kstrdup()")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Charles Han 2024-12-27 17:20:46 +08:00 committed by Luiz Augusto von Dentz
parent 30209aeff7
commit b88655bc65
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/bluetooth/btbcm.c
View File

@ -553,6 +553,9 @@ 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, '/', '-');
return board_type;