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check copyin return values when loading pallete

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Noticed by:	Coverity Prevent analysis tool
This commit is contained in:
Sam Leffler 2005-03-26 18:01:35 +00:00
parent 55fa5feab7
commit ca640ca965
1 changed files with 7 additions and 4 deletions
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11
sys/dev/fb/vga.c
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@ -2891,10 +2891,13 @@ set_palette(video_adapter_t *adp, int base, int count,
r = malloc(count*3, M_DEVBUF, M_WAITOK);
g = r + count;
b = g + count;
copyin(red, r, count);
copyin(green, g, count);
copyin(blue, b, count);
err = vga_load_palette2(adp, base, count, r, g, b);
err = copyin(red, r, count);
if (!err)
err = copyin(green, g, count);
if (!err)
err = copyin(blue, b, count);
if (!err)
err = vga_load_palette2(adp, base, count, r, g, b);
free(r, M_DEVBUF);
return (err ? ENODEV : 0);