Re: [Outreachy kernel] [PATCH v2] staging: xgifb: correct the multiple line dereference
From: Julia Lawall
Date: Sat Feb 25 2017 - 01:31:54 EST
On Sat, 25 Feb 2017, Arushi Singhal wrote:
> Error was reported by checkpatch.pl as
> WARNING: Avoid multiple line dereference...
> And If there is boolean operator then it is fixed by Splitting line at
> boolean operator.This is a coding style error.
There is strange spacing and capitalization in the above two lines. Only
the first word in a sentence should be capitalized. There should be at
least one space after a period.
> The changes are made such that the other errors does not generate
> beacause of this change like line exceeding 80 characters length.
This doesn't say anything about what you did.
> Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
> ---
> changes in v2
> - changes done such that no other errors can generate.
> ---
You don't need --- here. Only the one just below the Signed off by.
julia
> drivers/staging/xgifb/XGI_main_26.c | 21 +++++++++------------
> drivers/staging/xgifb/vb_setmode.c | 14 +++++++-------
> 2 files changed, 16 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
> index 6930f7eb741b..651987398d42 100644
> --- a/drivers/staging/xgifb/XGI_main_26.c
> +++ b/drivers/staging/xgifb/XGI_main_26.c
> @@ -878,30 +878,27 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
> }
>
> if ((filter >= 0) && (filter <= 7)) {
> + const u8 *f = XGI_TV_filter[filter_tb].filter[filter];
> +
> pr_debug("FilterTable[%d]-%d: %*ph\n",
> filter_tb, filter,
> - 4, XGI_TV_filter[filter_tb].
> - filter[filter]);
> + 4, f);
> xgifb_reg_set(
> XGIPART2,
> 0x35,
> - (XGI_TV_filter[filter_tb].
> - filter[filter][0]));
> - xgifb_reg_set(
> + (f[0]));
> + xgifb_reg_set(
> XGIPART2,
> 0x36,
> - (XGI_TV_filter[filter_tb].
> - filter[filter][1]));
> - xgifb_reg_set(
> + (f[1]));
> + xgifb_reg_set(
> XGIPART2,
> 0x37,
> - (XGI_TV_filter[filter_tb].
> - filter[filter][2]));
> + (f[2]));
> xgifb_reg_set(
> XGIPART2,
> 0x38,
> - (XGI_TV_filter[filter_tb].
> - filter[filter][3]));
> + (f[3]));
> }
> }
> }
> diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
> index 7c7c8c8f1df3..1220d0cea87d 100644
> --- a/drivers/staging/xgifb/vb_setmode.c
> +++ b/drivers/staging/xgifb/vb_setmode.c
> @@ -221,8 +221,8 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeIdIndex,
>
> for (; XGI330_RefIndex[RefreshRateTableIndex + (*i)].ModeID ==
> tempbx; (*i)--) {
> - infoflag = XGI330_RefIndex[RefreshRateTableIndex + (*i)].
> - Ext_InfoFlag;
> + infoflag =
> + XGI330_RefIndex[RefreshRateTableIndex + (*i)].Ext_InfoFlag;
> if (infoflag & tempax)
> return 1;
>
> @@ -231,8 +231,8 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeIdIndex,
> }
>
> for ((*i) = 0;; (*i)++) {
> - infoflag = XGI330_RefIndex[RefreshRateTableIndex + (*i)].
> - Ext_InfoFlag;
> + infoflag =
> + XGI330_RefIndex[RefreshRateTableIndex + (*i)].Ext_InfoFlag;
> if (XGI330_RefIndex[RefreshRateTableIndex + (*i)].ModeID
> != tempbx) {
> return 0;
> @@ -5092,8 +5092,8 @@ unsigned short XGI_GetRatePtrCRT2(struct xgi_hw_device_info *pXGIHWDE,
>
> i = 0;
> do {
> - if (XGI330_RefIndex[RefreshRateTableIndex + i].
> - ModeID != ModeNo)
> + if (XGI330_RefIndex[RefreshRateTableIndex + i].ModeID
> + != ModeNo)
> break;
> temp = XGI330_RefIndex[RefreshRateTableIndex + i].Ext_InfoFlag;
> temp &= ModeTypeMask;
> @@ -5484,7 +5484,7 @@ unsigned char XGISetModeNew(struct xgifb_video_info *xgifb_info,
> return 0;
>
> pVBInfo->ModeType = XGI330_EModeIDTable[ModeIdIndex].
> - Ext_ModeFlag & ModeTypeMask;
> + Ext_ModeFlag & ModeTypeMask;
>
> pVBInfo->SetFlag = 0;
> pVBInfo->VBInfo = DisableCRT2Display;
> --
> 2.11.0
>
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