Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.15 033/179] staging: r8188eu: use GFP_ATOMIC under spinlock | Date | Mon, 29 Nov 2021 19:17:07 +0100 |
| |
From: Michael Straube <straube.linux@gmail.com>
commit 4a293eaf92a510ff688dc7b3f0815221f99c9d1b upstream.
In function rtw_report_sec_ie() kzalloc() is called under a spinlock, so the allocation have to be atomic.
Call tree:
-> rtw_select_and_join_from_scanned_queue() <- takes a spinlock -> rtw_joinbss_cmd() -> rtw_restruct_sec_ie() -> rtw_report_sec_ie()
Fixes: 2b42bd58b321 ("staging: r8188eu: introduce new os_dep dir for RTL8188eu driver") Cc: stable <stable@vger.kernel.org> Signed-off-by: Michael Straube <straube.linux@gmail.com> Link: https://lore.kernel.org/r/20211108105537.31655-1-straube.linux@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/staging/r8188eu/os_dep/mlme_linux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/staging/r8188eu/os_dep/mlme_linux.c +++ b/drivers/staging/r8188eu/os_dep/mlme_linux.c @@ -114,7 +114,7 @@ void rtw_report_sec_ie(struct adapter *a buff = NULL; if (authmode == _WPA_IE_ID_) { - buff = kzalloc(IW_CUSTOM_MAX, GFP_KERNEL); + buff = kzalloc(IW_CUSTOM_MAX, GFP_ATOMIC); if (!buff) return; p = buff;
| |