From 4dba9d6c691327f06276619ae97bab8aa48b2dbe Mon Sep 17 00:00:00 2001 From: Samasth Norway Ananda Date: Thu, 29 Jan 2026 16:16:39 -0800 Subject: [PATCH] staging: rtl8723bs: fix firmware memory leak on error After successfully calling request_firmware(), if the firmware size check fails or if kmemdup() fails, the code jumps to the exit label without calling release_firmware(), causing a memory leak. Call release_firmware() directly in each error path before jumping to cleanup label. Signed-off-by: Samasth Norway Ananda Reviewed-by: Dan Carpenter Link: https://patch.msgid.link/20260130001641.17941-2-samasth.norway.ananda@oracle.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c index 054e2c2eab02..528bc05169de 100644 --- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c +++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c @@ -346,12 +346,14 @@ s32 rtl8723b_FirmwareDownload(struct adapter *padapter, bool bUsedWoWLANFw) if (fw->size > FW_8723B_SIZE) { rtStatus = _FAIL; + release_firmware(fw); goto exit; } pFirmware->fw_buffer_sz = kmemdup(fw->data, fw->size, GFP_KERNEL); if (!pFirmware->fw_buffer_sz) { rtStatus = _FAIL; + release_firmware(fw); goto exit; }