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Remove dead assignments in various common files, spotted by clang analyzer 

Value stored is never read.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-04-25 18:35:52 +00:00
parent d4c4e6fdc7
commit 9678d9501b
6 changed files with 10 additions and 15 deletions
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1
console.c
View File

@ -829,7 +829,6 @@ static void console_clear_xy(TextConsole *s, int x, int y)
TextCell *c = &s->cells[y1 * s->width + x];
c->ch = ' ';
c->t_attrib = s->t_attrib_default;
c++;
update_xy(s, x, y);
}

4
hw/xen_disk.c
View File

@ -575,7 +575,7 @@ static void blk_alloc(struct XenDevice *xendev)
static int blk_init(struct XenDevice *xendev)
{
struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, xendev);
int index, mode, qflags, have_barriers, info = 0;
int index, qflags, have_barriers, info = 0;
char *h;
/* read xenstore entries */
@ -609,10 +609,8 @@ static int blk_init(struct XenDevice *xendev)
/* read-only ? */
if (strcmp(blkdev->mode, "w") == 0) {
mode = O_RDWR;
qflags = BDRV_O_RDWR;
} else {
mode = O_RDONLY;
qflags = 0;
info |= VDISK_READONLY;
}

2
net/tap.c
View File

@ -346,7 +346,7 @@ static int launch_script(const char *setup_script, const char *ifname, int fd)
parg = args;
*parg++ = (char *)setup_script;
*parg++ = (char *)ifname;
*parg++ = NULL;
*parg = NULL;
execv(setup_script, args);
_exit(1);
} else if (pid > 0) {

1
slirp/cksum.c
View File

@ -110,7 +110,6 @@ int cksum(struct mbuf *m, int len)
if (byte_swapped) {
REDUCE;
sum <<= 8;
byte_swapped = 0;
if (mlen == -1) {
s_util.c[1] = *(u_int8_t *)w;
sum += s_util.s;

4
tcg/tcg.c
View File

@ -550,14 +550,18 @@ void tcg_register_helper(void *func, const char *name)
void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags,
int sizemask, TCGArg ret, int nargs, TCGArg *args)
{
#ifdef TCG_TARGET_I386
int call_type;
#endif
int i;
int real_args;
int nb_rets;
TCGArg *nparam;
*gen_opc_ptr++ = INDEX_op_call;
nparam = gen_opparam_ptr++;
#ifdef TCG_TARGET_I386
call_type = (flags & TCG_CALL_TYPE_MASK);
#endif
if (ret != TCG_CALL_DUMMY_ARG) {
#if TCG_TARGET_REG_BITS < 64
if (sizemask & 1) {

13
vnc.c
View File

@ -1234,17 +1234,16 @@ static long vnc_client_write_plain(VncState *vs)
*/
void vnc_client_write(void *opaque)
{
long ret;
VncState *vs = opaque;
#ifdef CONFIG_VNC_SASL
if (vs->sasl.conn &&
vs->sasl.runSSF &&
!vs->sasl.waitWriteSSF)
ret = vnc_client_write_sasl(vs);
else
!vs->sasl.waitWriteSSF) {
vnc_client_write_sasl(vs);
} else
#endif /* CONFIG_VNC_SASL */
ret = vnc_client_write_plain(vs);
vnc_client_write_plain(vs);
}
void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting)
@ -1725,12 +1724,8 @@ static void framebuffer_update_request(VncState *vs, int incremental,
int x_position, int y_position,
int w, int h)
{
if (x_position > ds_get_width(vs->ds))
x_position = ds_get_width(vs->ds);
if (y_position > ds_get_height(vs->ds))
y_position = ds_get_height(vs->ds);
if (x_position + w >= ds_get_width(vs->ds))
w = ds_get_width(vs->ds) - x_position;
if (y_position + h >= ds_get_height(vs->ds))
h = ds_get_height(vs->ds) - y_position;