diff options
Diffstat (limited to 'fs/xattr.c')
| -rw-r--r-- | fs/xattr.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/xattr.c b/fs/xattr.c index 464c94bf65f9..4424f7fecf14 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -23,6 +23,7 @@ #include <linux/posix_acl_xattr.h> #include <linux/uaccess.h> +#include "internal.h" static const char * strcmp_prefix(const char *a, const char *a_prefix) @@ -441,6 +442,12 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value, if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) || (strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0)) posix_acl_fix_xattr_from_user(kvalue, size); + else if (strcmp(kname, XATTR_NAME_CAPS) == 0) { + error = cap_convert_nscap(d, &kvalue, size); + if (error < 0) + goto out; + size = error; + } } error = vfs_setxattr(d, kname, kvalue, size, flags); @@ -496,10 +503,10 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name, if (!f.file) return error; audit_file(f.file); - error = mnt_want_write_file(f.file); + error = mnt_want_write_file_path(f.file); if (!error) { error = setxattr(f.file->f_path.dentry, name, value, size, flags); - mnt_drop_write_file(f.file); + mnt_drop_write_file_path(f.file); } fdput(f); return error; @@ -728,10 +735,10 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name) if (!f.file) return error; audit_file(f.file); - error = mnt_want_write_file(f.file); + error = mnt_want_write_file_path(f.file); if (!error) { error = removexattr(f.file->f_path.dentry, name); - mnt_drop_write_file(f.file); + mnt_drop_write_file_path(f.file); } fdput(f); return error; |