From e375870b9295be40de7372c3c9de6799e254c96a Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Fri, 14 Jan 2011 14:54:08 -0600 Subject: [PATCH] staging: r8712u: Fix memory leak in firmware loading The error path leaks the firmware struct. Signed-off-by: Larry Finger Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8712/hal_init.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c index 32088a641eba..84be383abec3 100644 --- a/drivers/staging/rtl8712/hal_init.c +++ b/drivers/staging/rtl8712/hal_init.c @@ -128,12 +128,13 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter) u8 *ptmpchar = NULL, *ppayload, *ptr; struct tx_desc *ptx_desc; u32 txdscp_sz = sizeof(struct tx_desc); + u8 ret = _FAIL; ulfilelength = rtl871x_open_fw(padapter, &phfwfile_hdl, &pmappedfw); if (pmappedfw && (ulfilelength > 0)) { update_fwhdr(&fwhdr, pmappedfw); if (chk_fwhdr(&fwhdr, ulfilelength) == _FAIL) - goto exit_fail; + goto firmware_rel; fill_fwpriv(padapter, &fwhdr.fwpriv); /* firmware check ok */ maxlen = (fwhdr.img_IMEM_size > fwhdr.img_SRAM_size) ? @@ -141,7 +142,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter) maxlen += txdscp_sz; ptmpchar = _malloc(maxlen + FWBUFF_ALIGN_SZ); if (ptmpchar == NULL) - return _FAIL; + goto firmware_rel; ptx_desc = (struct tx_desc *)(ptmpchar + FWBUFF_ALIGN_SZ - ((addr_t)(ptmpchar) & (FWBUFF_ALIGN_SZ - 1))); @@ -273,11 +274,13 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter) goto exit_fail; } else goto exit_fail; - return _SUCCESS; + ret = _SUCCESS; exit_fail: kfree(ptmpchar); - return _FAIL; +firmware_rel: + release_firmware((struct firmware *)phfwfile_hdl); + return ret; } uint rtl8712_hal_init(struct _adapter *padapter) -- 2.20.1