| Message ID | 20201128224114.1033617-13-sam@ravnborg.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drivers/video: W=1 warning fixes | expand |
Am 28.11.20 um 23:40 schrieb Sam Ravnborg: > The tmp variable were assigned but the result was never used, s/were/was > so delete the tmp variable. > > v2: > - Update subject (Lee) > > Signed-off-by: Sam Ravnborg <sam@ravnborg.org> > Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org> > Cc: Sam Ravnborg <sam@ravnborg.org> > Cc: Jani Nikula <jani.nikula@intel.com> > Cc: Daniel Vetter <daniel.vetter@ffwll.ch> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: Lee Jones <lee.jones@linaro.org> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> > --- > drivers/video/fbdev/tdfxfb.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c > index f056d80f6359..67e37a62b07c 100644 > --- a/drivers/video/fbdev/tdfxfb.c > +++ b/drivers/video/fbdev/tdfxfb.c > @@ -206,9 +206,7 @@ static inline u8 crt_inb(struct tdfx_par *par, u32 idx) > > static inline void att_outb(struct tdfx_par *par, u32 idx, u8 val) > { > - unsigned char tmp; > - > - tmp = vga_inb(par, IS1_R); > + vga_inb(par, IS1_R); It resets the attribute register's state. Hopefully, this doesn't get optimized away. > vga_outb(par, ATT_IW, idx); > vga_outb(par, ATT_IW, val); > } >
diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index f056d80f6359..67e37a62b07c 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -206,9 +206,7 @@ static inline u8 crt_inb(struct tdfx_par *par, u32 idx) static inline void att_outb(struct tdfx_par *par, u32 idx, u8 val) { - unsigned char tmp; - - tmp = vga_inb(par, IS1_R); + vga_inb(par, IS1_R); vga_outb(par, ATT_IW, idx); vga_outb(par, ATT_IW, val); }
The tmp variable were assigned but the result was never used, so delete the tmp variable. v2: - Update subject (Lee) Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Lee Jones <lee.jones@linaro.org> --- drivers/video/fbdev/tdfxfb.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)