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| author | Ivan Safonov <insafonov@gmail.com> | 2022-04-17 19:36:08 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-20 18:37:35 +0200 |
| commit | 96b6efb72d1413fab4d9e7be9a87f7d2b191a3fb (patch) | |
| tree | 70e587a63c613a3d8547062a922cc7ba0dad1dd8 /drivers/staging/r8188eu | |
| parent | db84803cd8def406c60eb865d3b4ae0efa09a9f8 (diff) | |
| download | linux-96b6efb72d1413fab4d9e7be9a87f7d2b191a3fb.tar.bz2 | |
r8188eu: remove unused urbs from struct xmit_buf
Driver allocates eighth urbs per xmit_buf, but uses only first urb.
Allocation of seven remaining urbs wastes memory for nothing.
Reviewed-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Link: https://lore.kernel.org/r/20220417163608.42917-1-insafonov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/r8188eu')
| -rw-r--r-- | drivers/staging/r8188eu/include/rtw_xmit.h | 2 | ||||
| -rw-r--r-- | drivers/staging/r8188eu/os_dep/usb_ops_linux.c | 16 | ||||
| -rw-r--r-- | drivers/staging/r8188eu/os_dep/xmit_linux.c | 16 |
3 files changed, 12 insertions, 22 deletions
diff --git a/drivers/staging/r8188eu/include/rtw_xmit.h b/drivers/staging/r8188eu/include/rtw_xmit.h index b2df1480d66b..54c2bdf68acc 100644 --- a/drivers/staging/r8188eu/include/rtw_xmit.h +++ b/drivers/staging/r8188eu/include/rtw_xmit.h @@ -198,7 +198,7 @@ struct xmit_buf { u32 len; struct submit_ctx *sctx; u32 ff_hwaddr; - struct urb *pxmit_urb[8]; + struct urb *pxmit_urb; dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */ u8 bpending[8]; int last[8]; diff --git a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c index 8ca16861bfcc..0269e602b217 100644 --- a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c +++ b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c @@ -140,7 +140,7 @@ u32 rtw_write_port(struct adapter *padapter, u32 addr, u32 cnt, u8 *wmem) spin_unlock_irqrestore(&pxmitpriv->lock, irqL); - purb = pxmitbuf->pxmit_urb[0]; + purb = pxmitbuf->pxmit_urb; /* translate DMA FIFO addr to pipehandle */ pipe = ffaddr2pipehdl(pdvobj, addr); @@ -178,25 +178,21 @@ exit: void rtw_write_port_cancel(struct adapter *padapter) { - int i, j; + int i; struct xmit_buf *pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmitbuf; padapter->bWritePortCancel = true; for (i = 0; i < NR_XMITBUFF; i++) { - for (j = 0; j < 8; j++) { - if (pxmitbuf->pxmit_urb[j]) - usb_kill_urb(pxmitbuf->pxmit_urb[j]); - } + if (pxmitbuf->pxmit_urb) + usb_kill_urb(pxmitbuf->pxmit_urb); pxmitbuf++; } pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmit_extbuf; for (i = 0; i < NR_XMIT_EXTBUFF; i++) { - for (j = 0; j < 8; j++) { - if (pxmitbuf->pxmit_urb[j]) - usb_kill_urb(pxmitbuf->pxmit_urb[j]); - } + if (pxmitbuf->pxmit_urb) + usb_kill_urb(pxmitbuf->pxmit_urb); pxmitbuf++; } } diff --git a/drivers/staging/r8188eu/os_dep/xmit_linux.c b/drivers/staging/r8188eu/os_dep/xmit_linux.c index a6012cffd37e..e430c64e9068 100644 --- a/drivers/staging/r8188eu/os_dep/xmit_linux.c +++ b/drivers/staging/r8188eu/os_dep/xmit_linux.c @@ -67,8 +67,6 @@ bool rtw_endofpktfile(struct pkt_file *pfile) int rtw_os_xmit_resource_alloc(struct adapter *padapter, struct xmit_buf *pxmitbuf, u32 alloc_sz) { - int i; - pxmitbuf->pallocated_buf = kzalloc(alloc_sz, GFP_KERNEL); if (!pxmitbuf->pallocated_buf) return _FAIL; @@ -76,21 +74,17 @@ int rtw_os_xmit_resource_alloc(struct adapter *padapter, struct xmit_buf *pxmitb pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ); pxmitbuf->dma_transfer_addr = 0; - for (i = 0; i < 8; i++) { - pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL); - if (!pxmitbuf->pxmit_urb[i]) - return _FAIL; - } + pxmitbuf->pxmit_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!pxmitbuf->pxmit_urb) + return _FAIL; + return _SUCCESS; } void rtw_os_xmit_resource_free(struct adapter *padapter, struct xmit_buf *pxmitbuf, u32 free_sz) { - int i; - - for (i = 0; i < 8; i++) - usb_free_urb(pxmitbuf->pxmit_urb[i]); + usb_free_urb(pxmitbuf->pxmit_urb); kfree(pxmitbuf->pallocated_buf); } |