[PATCH] arcfb: Fix dereference before NULL check

info->par is dereferenced before info is checked for NULL. Fix.

Coverity Bug 833

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 0cf26da75b6d..466042808daf 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -459,11 +459,11 @@ static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t cou
         inode = file->f_dentry->d_inode;
         fbidx = iminor(inode);
         info = registered_fb[fbidx];
-        par = info->par;
 
         if (!info || !info->screen_base)
                 return -ENODEV;
 
+        par = info->par;
         xres = info->var.xres;
         fbmemlength = (xres * info->var.yres)/8;