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Use gcc warning flag -Wempty-body

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If the compiler supports the warning flag -Wempty-body, use it.

Adjust the code to avoid the warnings.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-09-18 07:01:48 +00:00
parent a21493e009
commit 3ffd710e12
6 changed files with 14 additions and 10 deletions
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2
configure vendored
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@ -140,7 +140,7 @@ LDFLAGS="-g $LDFLAGS"
gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits" gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags" gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
gcc_flags="-Wmissing-include-dirs $gcc_flags" gcc_flags="-Wmissing-include-dirs -Wempty-body $gcc_flags"
gcc_flags="-fstack-protector-all $gcc_flags" gcc_flags="-fstack-protector-all $gcc_flags"
cat > $TMPC << EOF cat > $TMPC << EOF
int main(void) { return 0; } int main(void) { return 0; }

5
hw/omap_i2c.c
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@ -190,8 +190,9 @@ static uint32_t omap_i2c_read(void *opaque, target_phys_addr_t addr)
if (s->rxlen > 2) if (s->rxlen > 2)
s->fifo >>= 16; s->fifo >>= 16;
s->rxlen -= 2; s->rxlen -= 2;
} else } else {
/* XXX: remote access (qualifier) error - what's that? */; /* XXX: remote access (qualifier) error - what's that? */
}
if (!s->rxlen) { if (!s->rxlen) {
s->stat &= ~(1 << 3); /* RRDY */ s->stat &= ~(1 << 3); /* RRDY */
if (((s->control >> 10) & 1) && /* MST */ if (((s->control >> 10) & 1) && /* MST */

5
hw/omap_mmc.c
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@ -559,8 +559,9 @@ static void omap_mmc_cover_cb(void *opaque, int line, int level)
if (!host->cdet_state && level) { if (!host->cdet_state && level) {
host->status |= 0x0002; host->status |= 0x0002;
omap_mmc_interrupts_update(host); omap_mmc_interrupts_update(host);
if (host->cdet_wakeup) if (host->cdet_wakeup) {
/* TODO: Assert wake-up */; /* TODO: Assert wake-up */
}
} }
if (host->cdet_state != level) { if (host->cdet_state != level) {

5
hw/pxa2xx.c
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@ -1877,8 +1877,9 @@ static void pxa2xx_fir_write(void *opaque, target_phys_addr_t addr,
s->control[0] = value; s->control[0] = value;
if (!(value & (1 << 4))) /* RXE */ if (!(value & (1 << 4))) /* RXE */
s->rx_len = s->rx_start = 0; s->rx_len = s->rx_start = 0;
if (!(value & (1 << 3))) /* TXE */ if (!(value & (1 << 3))) { /* TXE */
/* Nop */; /* Nop */
}
s->enable = value & 1; /* ITR */ s->enable = value & 1; /* ITR */
if (!s->enable) if (!s->enable)
s->status[0] = 0; s->status[0] = 0;

5
hw/soc_dma.c
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@ -192,12 +192,13 @@ static void soc_dma_ch_freq_update(struct dma_s *s)
if (s->enabled_count) if (s->enabled_count)
/* We completely ignore channel priorities and stuff */ /* We completely ignore channel priorities and stuff */
s->channel_freq = s->soc.freq / s->enabled_count; s->channel_freq = s->soc.freq / s->enabled_count;
else else {
/* TODO: Signal that we want to disable the functional clock and let /* TODO: Signal that we want to disable the functional clock and let
* the platform code decide what to do with it, i.e. check that * the platform code decide what to do with it, i.e. check that
* auto-idle is enabled in the clock controller and if we are stopping * auto-idle is enabled in the clock controller and if we are stopping
* the clock, do the same with any parent clocks that had only one * the clock, do the same with any parent clocks that had only one
* user keeping them on and auto-idle enabled. */; * user keeping them on and auto-idle enabled. */
}
} }
void soc_dma_set_request(struct soc_dma_ch_s *ch, int level) void soc_dma_set_request(struct soc_dma_ch_s *ch, int level)

2
target-cris/mmu.c
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@ -33,7 +33,7 @@
#define D(x) x #define D(x) x
#define D_LOG(...) qemu_log(__VA_ARGS__) #define D_LOG(...) qemu_log(__VA_ARGS__)
#else #else
#define D(x) #define D(x) do { } while (0)
#define D_LOG(...) do { } while (0) #define D_LOG(...) do { } while (0)
#endif #endif