diff options
| author | Michael Walle <michael@walle.cc> | 2016-10-13 00:35:07 +0200 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2016-10-28 18:17:23 +0300 |
| commit | 237a8650d640adfb00b65358891fed0e84edfd09 (patch) | |
| tree | c3d054c689f94d763608c9377192e76631d8215b | |
| parent | 19f846b19f4bb5ef187da057d40f0507e3842625 (diff) | |
lm32: milkymist-tmu2: fix integer overflow
Don't truncate the multiplication and do a 64 bit one instead because
because the result is stored in a 64 bit variable.
Spotted by coverity, CID 1167561.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
| -rw-r--r-- | hw/display/milkymist-tmu2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/display/milkymist-tmu2.c b/hw/display/milkymist-tmu2.c index 9c0018448a..5c666f9b24 100644 --- a/hw/display/milkymist-tmu2.c +++ b/hw/display/milkymist-tmu2.c @@ -213,7 +213,7 @@ static void tmu2_start(MilkymistTMU2State *s) /* Read the QEMU source framebuffer into an OpenGL texture */ glGenTextures(1, &texture); glBindTexture(GL_TEXTURE_2D, texture); - fb_len = 2*s->regs[R_TEXHRES]*s->regs[R_TEXVRES]; + fb_len = 2ULL * s->regs[R_TEXHRES] * s->regs[R_TEXVRES]; fb = cpu_physical_memory_map(s->regs[R_TEXFBUF], &fb_len, 0); if (fb == NULL) { glDeleteTextures(1, &texture); |