diff options
Diffstat (limited to 'fs/fcntl.c')
| -rw-r--r-- | fs/fcntl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c index 22dd9dcce7ec..a7947a615db6 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -12,7 +12,6 @@ #include <linux/fs.h> #include <linux/filelock.h> #include <linux/file.h> -#include <linux/fdtable.h> #include <linux/capability.h> #include <linux/dnotify.h> #include <linux/slab.h> @@ -397,6 +396,9 @@ static long f_dupfd_query(int fd, struct file *filp) { CLASS(fd_raw, f)(fd); + if (fd_empty(f)) + return -EBADF; + /* * We can do the 'fdput()' immediately, as the only thing that * matters is the pointer value which isn't changed by the fdput. |