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staging: rtl8723bs: fix memory leak on failure path

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cfg80211_inform_bss_frame() may return NULL on failure. In that case,
the allocated buffer 'buf' is not freed and the function returns early,
leading to potential memory leak.
Fix this by ensuring that 'buf' is freed on both success and failure paths.

Signed-off-by: Diksha Kumari <dikshakdevgan@gmail.com>
Reviewed-by: Mukesh Kumar Chaurasiya <mkchauras@linux.ibm.com>
Link: https://patch.msgid.link/20260113091712.7071-1-dikshakdevgan@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Diksha Kumari
2026-01-13 14:47:12 +05:30
committed by Greg Kroah-Hartman
parent 6cb679d8fe
commit abe850d82c
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
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@@ -315,9 +315,10 @@ struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wl
len, notify_signal, GFP_ATOMIC);
if (unlikely(!bss))
goto exit;
goto free_buf;
cfg80211_put_bss(wiphy, bss);
free_buf:
kfree(buf);
exit: