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drm/exynos: Fix freeing issues in exynos_drm_drv.c 

Fixes the following errors:
drivers/gpu/drm/exynos/exynos_drm_drv.c:182 exynos_drm_open()
error: double free of 'file_priv'
drivers/gpu/drm/exynos/exynos_drm_drv.c:188 exynos_drm_open()
error: dereferencing freed memory 'file_priv'

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Sachin Kamat 2014-01-16 11:31:26 +05:30 committed by Inki Dae
parent 7c4c62a04a
commit 6ca605f7c7
1 changed files with 8 additions and 6 deletions
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14
drivers/gpu/drm/exynos/exynos_drm_drv.c
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@ -171,21 +171,23 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
file->driver_priv = file_priv;
ret = exynos_drm_subdrv_open(dev, file);
if (ret) {
kfree(file_priv);
file->driver_priv = NULL;
}
if (ret)
goto out;
anon_filp = anon_inode_getfile("exynos_gem", &exynos_drm_gem_fops,
NULL, 0);
if (IS_ERR(anon_filp)) {
kfree(file_priv);
return PTR_ERR(anon_filp);
ret = PTR_ERR(anon_filp);
goto out;
}
anon_filp->f_mode = FMODE_READ | FMODE_WRITE;
file_priv->anon_filp = anon_filp;
return ret;
out:
kfree(file_priv);
file->driver_priv = NULL;
return ret;
}