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| author | Andy Lutomirski <luto@MIT.EDU> | 2011-05-26 10:13:32 -0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-06-02 17:18:05 +0900 |
| commit | da0241f12bf785f74e57ad6d67abdf269216f76b (patch) | |
| tree | cf4a125e4f3ec5aac6b8d1e20a90750402903907 /drivers/video/efifb.c | |
| parent | 3c004b4f7eab239e726c6dde0f6cfca46a96956b (diff) | |
| download | linux-da0241f12bf785f74e57ad6d67abdf269216f76b.tar.gz linux-da0241f12bf785f74e57ad6d67abdf269216f76b.tar.bz2 linux-da0241f12bf785f74e57ad6d67abdf269216f76b.zip | |
efifb: Fix mismatched request/release_mem_region
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/efifb.c')
| -rw-r--r-- | drivers/video/efifb.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c index 7f06247a21e8..8cb31e106b9e 100644 --- a/drivers/video/efifb.c +++ b/drivers/video/efifb.c @@ -16,6 +16,8 @@ #include <linux/pci.h> #include <video/vga.h> +static bool request_mem_succeeded = false; + static struct fb_var_screeninfo efifb_defined __devinitdata = { .activate = FB_ACTIVATE_NOW, .height = -1, @@ -281,7 +283,9 @@ static void efifb_destroy(struct fb_info *info) { if (info->screen_base) iounmap(info->screen_base); - release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size); + if (request_mem_succeeded) + release_mem_region(info->apertures->ranges[0].base, + info->apertures->ranges[0].size); framebuffer_release(info); } @@ -333,7 +337,6 @@ static int __devinit efifb_probe(struct platform_device *dev) unsigned int size_vmode; unsigned int size_remap; unsigned int size_total; - int request_succeeded = 0; if (!screen_info.lfb_depth) screen_info.lfb_depth = 32; @@ -387,7 +390,7 @@ static int __devinit efifb_probe(struct platform_device *dev) efifb_fix.smem_len = size_remap; if (request_mem_region(efifb_fix.smem_start, size_remap, "efifb")) { - request_succeeded = 1; + request_mem_succeeded = true; } else { /* We cannot make this fatal. Sometimes this comes from magic spaces our resource handlers simply don't know about */ @@ -491,7 +494,7 @@ err_unmap: err_release_fb: framebuffer_release(info); err_release_mem: - if (request_succeeded) + if (request_mem_succeeded) release_mem_region(efifb_fix.smem_start, size_total); return err; } |