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| author |   Michael Straube <straube.linux@gmail.com> | 2021-11-08 11:55:37 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-15 10:23:16 +0100 |
| commit | 4a293eaf92a510ff688dc7b3f0815221f99c9d1b (patch) | |
| tree | fd7c0a5f02176c2fc3340cf069425564e20b0fc7 /drivers/staging | |
| parent | staging: r8188eu: Use kzalloc() with GFP_ATOMIC in atomic context (diff) | |
| download | linux-dev-4a293eaf92a510ff688dc7b3f0815221f99c9d1b.tar.xz linux-dev-4a293eaf92a510ff688dc7b3f0815221f99c9d1b.zip | |
staging: r8188eu: use GFP_ATOMIC under spinlock
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>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/r8188eu/os_dep/mlme_linux.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/r8188eu/os_dep/mlme_linux.c b/drivers/staging/r8188eu/os_dep/mlme_linux.c index a9b6ffdbf31a..f7ce724ebf87 100644 --- a/drivers/staging/r8188eu/os_dep/mlme_linux.c +++ b/drivers/staging/r8188eu/os_dep/mlme_linux.c @@ -112,7 +112,7 @@ void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie) 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; |