diff options
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index e3abf603eaaf..d4c036e82b6c 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -354,6 +354,9 @@ out_putf: int rw_verify_area(int read_write, struct file *file, const loff_t *ppos, size_t count) { + int mask = read_write == READ ? MAY_READ : MAY_WRITE; + int ret; + if (unlikely((ssize_t) count < 0)) return -EINVAL; @@ -371,8 +374,11 @@ int rw_verify_area(int read_write, struct file *file, const loff_t *ppos, size_t } } - return security_file_permission(file, - read_write == READ ? MAY_READ : MAY_WRITE); + ret = security_file_permission(file, mask); + if (ret) + return ret; + + return fsnotify_file_area_perm(file, mask, ppos, count); } EXPORT_SYMBOL(rw_verify_area); |