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-rw-r--r--security/selinux/hooks.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 4bf4807..c2fef7b 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -800,7 +800,8 @@ static void selinux_sb_clone_mnt_opts(const struct super_block *oldsb,
mutex_unlock(&newsbsec->lock);
}
-int selinux_parse_opts_str(char *options, struct security_mnt_opts *opts)
+static int selinux_parse_opts_str(char *options,
+ struct security_mnt_opts *opts)
{
char *p;
char *context = NULL, *defcontext = NULL;
@@ -1629,6 +1630,12 @@ static inline u32 file_to_av(struct file *file)
else
av |= FILE__WRITE;
}
+ if (!av) {
+ /*
+ * Special file opened with flags 3 for ioctl-only use.
+ */
+ av = FILE__IOCTL;
+ }
return av;
}
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