On 9/10/19 2:59 PM, Dan Carpenter wrote:
On Sun, Sep 08, 2019 at 12:00:26PM +0300, Ivan Safonov wrote >> rtw_malloc prevents the use of kmemdup/kzalloc and others.
Signed-off-by: Ivan Safonov <insafonov@xxxxxxxxx>
---
drivers/staging/rtl8188eu/core/rtw_ap.c | 4 ++--
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c | 2 +-
.../staging/rtl8188eu/include/osdep_service.h | 3 ---
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c | 18 +++++++++---------
drivers/staging/rtl8188eu/os_dep/mlme_linux.c | 2 +-
.../staging/rtl8188eu/os_dep/osdep_service.c | 7 +------
6 files changed, 14 insertions(+), 22 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
index 51a5b71f8c25..c9c57379b7a2 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ap.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
@@ -104,7 +104,7 @@ static void update_BCNTIM(struct adapter *padapter)
}
if (remainder_ielen > 0) {
- pbackup_remainder_ie = rtw_malloc(remainder_ielen);
+ pbackup_remainder_ie = kmalloc(remainder_ielen, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
^^^^^^^^^^^^^
This stuff isn't right. It really should be checking if spinlocks are
held or IRQs are disabled. And the only way to do that is by auditing
the callers.
I hope to make these changes later as separate independent patches.
This patch do only one thing - remove rtw_malloc().
(The original rtw_malloc() implementation is buggy nonsense).
regards,
dan carpenter
Ivan Safonov.
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