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UPSTREAM: binderfs: remove separate device_initcall()

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binderfs should not have a separate device_initcall(). When a kernel is
compiled with CONFIG_ANDROID_BINDERFS register the filesystem alongside
CONFIG_ANDROID_IPC. This use-case is especially sensible when users specify
CONFIG_ANDROID_IPC=y, CONFIG_ANDROID_BINDERFS=y and
ANDROID_BINDER_DEVICES="".
When CONFIG_ANDROID_BINDERFS=n then this always succeeds so there's no
regression potential for legacy workloads.

Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 5b9633af29)
Change-Id: I91892655d9d36df5218189f7874312eec7ae3c46
Signed-off-by: Hridya Valsaraju <hridya@google.com>
This commit is contained in:
Christian Brauner
2019-01-31 01:25:02 +01:00
committed by Hridya Valsaraju
parent 7654fff18f
commit 8d0719a920
3 changed files with 16 additions and 4 deletions
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7
drivers/android/binder.c
View File

@@ -6084,9 +6084,10 @@ static int __init init_binder_device(const char *name)
static int __init binder_init(void)
{
int ret;
char *device_name, *device_names, *device_tmp;
char *device_name, *device_tmp;
struct binder_device *device;
struct hlist_node *tmp;
char *device_names = NULL;
ret = binder_alloc_shrinker_init();
if (ret)
@@ -6146,6 +6147,10 @@ static int __init binder_init(void)
goto err_init_binder_device_failed;
}
ret = init_binderfs();
if (ret)
goto err_init_binder_device_failed;
return ret;
err_init_binder_device_failed:

9
drivers/android/binder_internal.h
View File

@@ -46,4 +46,13 @@ static inline bool is_binderfs_device(const struct inode *inode)
}
#endif
#ifdef CONFIG_ANDROID_BINDERFS
extern int __init init_binderfs(void);
#else
static inline int __init init_binderfs(void)
{
return 0;
}
#endif
#endif /* _LINUX_BINDER_INTERNAL_H */

4
drivers/android/binderfs.c
View File

@@ -550,7 +550,7 @@ static struct file_system_type binder_fs_type = {
.fs_flags = FS_USERNS_MOUNT,
};
static int __init init_binderfs(void)
int __init init_binderfs(void)
{
int ret;
@@ -568,5 +568,3 @@ static int __init init_binderfs(void)
return ret;
}
device_initcall(init_binderfs);