From: Colin Ian King Date: Sat, 16 Sep 2017 16:46:28 +0000 (+0100) Subject: staging: fbtft: remove redundant initialization of txbuf16 X-Git-Tag: v4.15-rc1~142^2~286 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=0d586255ca647ba8f5d7f0210d1516f942e5b43b;p=linux.git staging: fbtft: remove redundant initialization of txbuf16 txbuf16 is being initialized at declaration time and then later set to another value without it being read inbetween, hence making the initialization redundant. Fix this by setting txbuf16 just the once. Also clean up some incorrect indentations. Cleans up clang build warning: warning: Value stored to 'txbuf16' during its initialization is never read Signed-off-by: Colin Ian King Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/fbtft/fb_ra8875.c b/drivers/staging/fbtft/fb_ra8875.c index a899614ce829..6d1cad85957b 100644 --- a/drivers/staging/fbtft/fb_ra8875.c +++ b/drivers/staging/fbtft/fb_ra8875.c @@ -253,7 +253,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...) static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len) { u16 *vmem16; - __be16 *txbuf16 = par->txbuf.buf; + __be16 *txbuf16; size_t remain; size_t to_copy; size_t tx_array_size; @@ -267,10 +267,10 @@ static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len) remain = len / 2; vmem16 = (u16 *)(par->info->screen_buffer + offset); tx_array_size = par->txbuf.len / 2; - txbuf16 = par->txbuf.buf + 1; - tx_array_size -= 2; - *(u8 *)(par->txbuf.buf) = 0x00; - startbyte_size = 1; + txbuf16 = par->txbuf.buf + 1; + tx_array_size -= 2; + *(u8 *)(par->txbuf.buf) = 0x00; + startbyte_size = 1; while (remain) { to_copy = min(tx_array_size, remain);