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| author | Peter Samuelson <peter@p12n.org> | 2008-04-28 02:15:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-28 08:58:36 -0700 |
| commit | 57a7a6db0eed2862072497116232f57a6843cadd (patch) | |
| tree | 7335cd906fce91b3e87cbdcfad42a96ca11847ca /drivers/video/fbmem.c | |
| parent | b6f448e99ce7955b9707ed36a46cab2c6ddf7ddc (diff) | |
| download | linux-3.10-57a7a6db0eed2862072497116232f57a6843cadd.tar.gz linux-3.10-57a7a6db0eed2862072497116232f57a6843cadd.tar.bz2 linux-3.10-57a7a6db0eed2862072497116232f57a6843cadd.zip | |
fbmem: fix con2fbmap limit check
Fix limit check in FBIOPUT_CON2FBMAP ioctl.
Signed-off-by: Peter Samuelson <peter@p12n.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/fbmem.c')
| -rw-r--r-- | drivers/video/fbmem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 279c2dbef8f..0c1461b26dd 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1057,7 +1057,7 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, case FBIOPUT_CON2FBMAP: if (copy_from_user(&con2fb, argp, sizeof(con2fb))) return - EFAULT; - if (con2fb.console < 0 || con2fb.console > MAX_NR_CONSOLES) + if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) return -EINVAL; if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) return -EINVAL; |