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gxfb: properly alloc cmap and plug cmap leak

We weren't properly allocating the cmap for depths greater than 8bpp,
which caused pain for things like DirectFB.  Also, we never freed the cmap
memory upon module unload..

Signed-off-by: Andres Salomon <dilinger@debian.org>
Cc: Marco La Porta <marco-laporta@tiscali.it>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andres Salomon 2009-02-11 13:04:22 -08:00 committed by Linus Torvalds
parent 067f1293cc
commit b14caecdbe
1 changed files with 11 additions and 6 deletions

View File

@ -171,13 +171,10 @@ static int gxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
static int gxfb_set_par(struct fb_info *info)
{
if (info->var.bits_per_pixel > 8) {
if (info->var.bits_per_pixel > 8)
info->fix.visual = FB_VISUAL_TRUECOLOR;
fb_dealloc_cmap(&info->cmap);
} else {
else
info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
fb_alloc_cmap(&info->cmap, 1<<info->var.bits_per_pixel, 0);
}
info->fix.line_length = gx_line_delta(info->var.xres, info->var.bits_per_pixel);
@ -331,6 +328,11 @@ static struct fb_info * __init gxfb_init_fbinfo(struct device *dev)
info->var.grayscale = 0;
if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
framebuffer_release(info);
return NULL;
}
return info;
}
@ -443,8 +445,10 @@ static int __init gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *i
pci_release_region(pdev, 1);
}
if (info)
if (info) {
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
return ret;
}
@ -467,6 +471,7 @@ static void gxfb_remove(struct pci_dev *pdev)
iounmap(par->gp_regs);
pci_release_region(pdev, 1);
fb_dealloc_cmap(&info->cmap);
pci_set_drvdata(pdev, NULL);
framebuffer_release(info);