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| author | Sachin Kamat <sachin.kamat@linaro.org> | 2014-01-16 11:31:26 +0530 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2014-02-07 10:43:48 +0900 |
| commit | 6ca605f7c70895a35737435f17ae9cc5e36f1466 (patch) | |
| tree | 6e3d9b01b26588d1724ebb82adae9d2147655ebc /drivers/gpu/drm | |
| parent | 7c4c62a04a2a80e3feb5d6c97aca1e413b11c790 (diff) | |
| download | talos-obmc-linux-6ca605f7c70895a35737435f17ae9cc5e36f1466.tar.gz talos-obmc-linux-6ca605f7c70895a35737435f17ae9cc5e36f1466.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 9d096a0c5f8d..215131ab1dd2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -171,22 +171,24 @@ 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; } static void exynos_drm_preclose(struct drm_device *dev, |
