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Date: Fri, 11 Nov 2022 09:37:32 +0100
From: Michael Straube <straube.linux@...il.com>
To: gregkh@...uxfoundation.org
Cc: Larry.Finger@...inger.net, phil@...lpotter.co.uk,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
Michael Straube <straube.linux@...il.com>
Subject: [PATCH 3/4] staging: r8188eu: convert _rtw_init_xmit_priv() to common error logic
Convert the function _rtw_init_xmit_priv() away from returning _FAIL
or _SUCCESS which uses inverted error logic. Use the common error
logic instead. Return 0 for success and negative values for failure.
Signed-off-by: Michael Straube <straube.linux@...il.com>
---
drivers/staging/r8188eu/core/rtw_xmit.c | 28 +++++++---------------
drivers/staging/r8188eu/include/rtw_xmit.h | 2 +-
drivers/staging/r8188eu/os_dep/os_intfs.c | 2 +-
3 files changed, 10 insertions(+), 22 deletions(-)
diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
index c0fda6ce7c56..34494f08c0cd 100644
--- a/drivers/staging/r8188eu/core/rtw_xmit.c
+++ b/drivers/staging/r8188eu/core/rtw_xmit.c
@@ -59,12 +59,11 @@ static void rtw_xmit_resource_free(struct adapter *padapter, struct xmit_buf *px
kfree(pxmitbuf->pallocated_buf);
}
-s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
+int _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
{
int i;
struct xmit_buf *pxmitbuf;
struct xmit_frame *pxframe;
- int res = _SUCCESS;
u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
@@ -97,7 +96,6 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
if (!pxmitpriv->pallocated_frame_buf) {
pxmitpriv->pxmit_frame_buf = NULL;
- res = _FAIL;
goto exit;
}
pxmitpriv->pxmit_frame_buf = (u8 *)ALIGN((size_t)(pxmitpriv->pallocated_frame_buf), 4);
@@ -132,10 +130,8 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
- if (!pxmitpriv->pallocated_xmitbuf) {
- res = _FAIL;
+ if (!pxmitpriv->pallocated_xmitbuf)
goto free_frame_buf;
- }
pxmitpriv->pxmitbuf = (u8 *)ALIGN((size_t)(pxmitpriv->pallocated_xmitbuf), 4);
/* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */
@@ -153,10 +149,8 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
/* Tx buf allocation may fail sometimes, so sleep and retry. */
if (rtw_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ))) {
msleep(10);
- if (rtw_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ))) {
- res = _FAIL;
+ if (rtw_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ)))
goto free_xmitbuf;
- }
}
pxmitbuf->flags = XMIT_VO_QUEUE;
@@ -172,10 +166,8 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
pxmitpriv->pallocated_xmit_extbuf = vzalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
- if (!pxmitpriv->pallocated_xmit_extbuf) {
- res = _FAIL;
+ if (!pxmitpriv->pallocated_xmit_extbuf)
goto free_xmitbuf;
- }
pxmitpriv->pxmit_extbuf = (u8 *)ALIGN((size_t)(pxmitpriv->pallocated_xmit_extbuf), 4);
@@ -188,10 +180,8 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
pxmitbuf->padapter = padapter;
pxmitbuf->ext_tag = true;
- if (rtw_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ)) {
- res = _FAIL;
+ if (rtw_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ))
goto free_xmit_extbuf;
- }
list_add_tail(&pxmitbuf->list, &pxmitpriv->free_xmit_extbuf_queue.queue);
pxmitbuf++;
@@ -199,10 +189,8 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
- if (rtw_alloc_hwxmits(padapter)) {
- res = _FAIL;
+ if (rtw_alloc_hwxmits(padapter))
goto free_xmit_extbuf;
- }
rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
@@ -225,7 +213,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
rtl8188eu_init_xmit_priv(padapter);
- return _SUCCESS;
+ return 0;
free_xmit_extbuf:
pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
@@ -245,7 +233,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
free_frame_buf:
vfree(pxmitpriv->pallocated_frame_buf);
exit:
- return res;
+ return -ENOMEM;
}
static void rtw_pkt_complete(struct adapter *padapter, struct sk_buff *pkt)
diff --git a/drivers/staging/r8188eu/include/rtw_xmit.h b/drivers/staging/r8188eu/include/rtw_xmit.h
index cff065554608..6e7ebea5362d 100644
--- a/drivers/staging/r8188eu/include/rtw_xmit.h
+++ b/drivers/staging/r8188eu/include/rtw_xmit.h
@@ -351,7 +351,7 @@ s32 rtw_txframes_pending(struct adapter *padapter);
s32 rtw_txframes_sta_ac_pending(struct adapter *padapter,
struct pkt_attrib *pattrib);
void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry);
-s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
+int _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv);
int rtw_alloc_hwxmits(struct adapter *padapter);
void rtw_free_hwxmits(struct adapter *padapter);
diff --git a/drivers/staging/r8188eu/os_dep/os_intfs.c b/drivers/staging/r8188eu/os_dep/os_intfs.c
index 66556e07ed93..44eb95a7682c 100644
--- a/drivers/staging/r8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/r8188eu/os_dep/os_intfs.c
@@ -480,7 +480,7 @@ u8 rtw_init_drv_sw(struct adapter *padapter)
init_mlme_ext_priv(padapter);
- if (_rtw_init_xmit_priv(&padapter->xmitpriv, padapter) == _FAIL) {
+ if (_rtw_init_xmit_priv(&padapter->xmitpriv, padapter)) {
dev_err(dvobj_to_dev(padapter->dvobj), "_rtw_init_xmit_priv failed\n");
goto free_mlme_ext;
}
--
2.38.1
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