We need to add a drmm_kstrdup for this, but let's start somewhere.
This is not exactly perfect onion unwinding, but it's jsut a kfree so
doesn't really matter at all.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
drivers/gpu/drm/drm_drv.c | 5 ++---
drivers/gpu/drm/drm_managed.c | 16 ++++++++++++++++
include/drm/drm_managed.h | 1 +
3 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 1ee606b4a4f9..782fd5d6f8b2 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -777,7 +777,6 @@ void drm_dev_fini(struct drm_device *dev)
mutex_destroy(&dev->filelist_mutex);
mutex_destroy(&dev->struct_mutex);
drm_legacy_destroy_members(dev);
- kfree(dev->unique);
}
EXPORT_SYMBOL(drm_dev_fini);
@@ -1063,8 +1062,8 @@ EXPORT_SYMBOL(drm_dev_unregister);
*/
int drm_dev_set_unique(struct drm_device *dev, const char *name)
{
- kfree(dev->unique);
- dev->unique = kstrdup(name, GFP_KERNEL);
+ drmm_kfree(dev, dev->unique);
+ dev->unique = drmm_kstrdup(dev, name, GFP_KERNEL);
return dev->unique ? 0 : -ENOMEM;
}
diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c
index a36d4604ee18..cc917187a723 100644
--- a/drivers/gpu/drm/drm_managed.c
+++ b/drivers/gpu/drm/drm_managed.c
@@ -149,6 +149,22 @@ void *drmm_kmalloc(struct drm_device *dev, size_t size, gfp_t gfp)
}
EXPORT_SYMBOL(drmm_kmalloc);
+char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp)
+{
+ size_t size;
+ char *buf;
+
+ if (!s)
+ return NULL;
+
+ size = strlen(s) + 1;
+ buf = drmm_kmalloc(dev, size, gfp);
+ if (buf)
+ memcpy(buf, s, size);
+ return buf;
+}
+EXPORT_SYMBOL_GPL(drmm_kstrdup);
+
void drmm_kfree(struct drm_device *dev, void *data)
{
struct drmres *dr_match = NULL, *dr;
diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h
index 7b5df7d09b19..89e6fce9f689 100644
--- a/include/drm/drm_managed.h
+++ b/include/drm/drm_managed.h
@@ -24,6 +24,7 @@ static inline void *drmm_kzalloc(struct drm_device *dev, size_t size, gfp_t gfp)
{
return drmm_kmalloc(dev, size, gfp | __GFP_ZERO);
}
+char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp);
void drmm_kfree(struct drm_device *dev, void *data);
--
2.24.1
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