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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-11 09:05:58 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-11 09:05:58 +0100 |
| commit | 5c07488d996b6b2af609f351bf54c9909ed0fdf8 (patch) | |
| tree | 62cc2522698d7383cdf4a4f450bde30bc45f1832 /drivers/android/binderfs.c | |
| parent | b5390f4b5e0b75634c7f08c88e97b5fe0e833599 (diff) | |
| parent | d13937116f1e82bf508a6325111b322c30c85eb9 (diff) | |
Merge 5.0-rc6 into char-misc-next
We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/android/binderfs.c')
| -rw-r--r-- | drivers/android/binderfs.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c index 6a2185eb66c5..e773f45d19d9 100644 --- a/drivers/android/binderfs.c +++ b/drivers/android/binderfs.c @@ -395,6 +395,11 @@ static int binderfs_binder_ctl_create(struct super_block *sb) struct inode *inode = NULL; struct dentry *root = sb->s_root; struct binderfs_info *info = sb->s_fs_info; +#if defined(CONFIG_IPC_NS) + bool use_reserve = (info->ipc_ns == &init_ipc_ns); +#else + bool use_reserve = true; +#endif device = kzalloc(sizeof(*device), GFP_KERNEL); if (!device) @@ -413,7 +418,10 @@ static int binderfs_binder_ctl_create(struct super_block *sb) /* Reserve a new minor number for the new device. */ mutex_lock(&binderfs_minors_mutex); - minor = ida_alloc_max(&binderfs_minors, BINDERFS_MAX_MINOR, GFP_KERNEL); + minor = ida_alloc_max(&binderfs_minors, + use_reserve ? BINDERFS_MAX_MINOR : + BINDERFS_MAX_MINOR_CAPPED, + GFP_KERNEL); mutex_unlock(&binderfs_minors_mutex); if (minor < 0) { ret = minor; @@ -542,7 +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; @@ -560,5 +568,3 @@ static int __init init_binderfs(void) return ret; } - -device_initcall(init_binderfs); |