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| author | Mark Brown <broonie@kernel.org> | 2018-09-20 08:35:34 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-09-20 08:35:34 -0700 |
| commit | f4150b38acaa292e9efa1e0d82a3d8bdfdbec658 (patch) | |
| tree | 672578a0f65a3315ad6e5354fecbf916fad108db /fs/autofs4/autofs_i.h | |
| parent | ff05cdd619ab422b5380f56d19603bc51aca97a5 (diff) | |
| parent | d9560919689d588beccf719452086b5cdf6d6c22 (diff) | |
Merge tag 'v4.4.157' into linux-linaro-lsk-v4.4
This is the 4.4.157 stable release
Diffstat (limited to 'fs/autofs4/autofs_i.h')
| -rw-r--r-- | fs/autofs4/autofs_i.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index 502d3892d8a4..d71e7ad4d382 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -18,6 +18,7 @@ #include <linux/mutex.h> #include <linux/spinlock.h> #include <linux/list.h> +#include <linux/magic.h> /* This is the range of ioctl() numbers we claim as ours */ #define AUTOFS_IOC_FIRST AUTOFS_IOC_READY @@ -135,7 +136,8 @@ struct autofs_sb_info { static inline struct autofs_sb_info *autofs4_sbi(struct super_block *sb) { - return (struct autofs_sb_info *)(sb->s_fs_info); + return sb->s_magic != AUTOFS_SUPER_MAGIC ? + NULL : (struct autofs_sb_info *)(sb->s_fs_info); } static inline struct autofs_info *autofs4_dentry_ino(struct dentry *dentry) |