re: video: Add Aeroflex Gaisler GRVGA framebuffer device driver

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Hello Kristoffer Glembo,

This is a semi-automatic email about new static checker warnings.

The patch a4b8f97a8fde: "video: Add Aeroflex Gaisler GRVGA 
framebuffer device driver" from Jul 5, 2011, leads to the following 
Smatch complaint:

drivers/video/grvga.c:519 grvga_remove()
	 warn: variable dereferenced before check 'info' (see line 517)

drivers/video/grvga.c
   516		struct fb_info *info = dev_get_drvdata(&device->dev);
   517		struct grvga_par *par = info->par;
                                        ^^^^^^^^^
Dereference.

   518	
   519		if (info) {
                   ^^^^^^
Check.

   520			unregister_framebuffer(info);
   521			fb_dealloc_cmap(&info->cmap);

regards,
dan carpenter
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