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-rw-r--r--fs/file.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/fs/file.c b/fs/file.c
index 005841dd35..a3b72aa64f 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -271,6 +271,11 @@ static inline void __clear_open_fd(unsigned int fd, struct fdtable *fdt)
__clear_bit(fd / BITS_PER_LONG, fdt->full_fds_bits);
}
+static inline bool fd_is_open(unsigned int fd, const struct fdtable *fdt)
+{
+ return test_bit(fd, fdt->open_fds);
+}
+
static unsigned int count_open_files(struct fdtable *fdt)
{
unsigned int size = fdt->max_fds;
@@ -915,13 +920,8 @@ struct file *get_file_rcu(struct file __rcu **f)
struct file __rcu *file;
file = __get_file_rcu(f);
- if (unlikely(!file))
- return NULL;
-
- if (unlikely(IS_ERR(file)))
- continue;
-
- return file;
+ if (!IS_ERR(file))
+ return file;
}
}
EXPORT_SYMBOL_GPL(get_file_rcu);
@@ -1219,12 +1219,9 @@ void set_close_on_exec(unsigned int fd, int flag)
bool get_close_on_exec(unsigned int fd)
{
- struct files_struct *files = current->files;
- struct fdtable *fdt;
bool res;
rcu_read_lock();
- fdt = files_fdtable(files);
- res = close_on_exec(fd, fdt);
+ res = close_on_exec(fd, current->files);
rcu_read_unlock();
return res;
}