fs/vfs/fs_open.c: Fix description of nx_open and nx_vopen comments indicate that they return zero on success when, in fact, they return the new file descriptor.

fs/vfs/fs_open.c

@@ -90,8 +90,8 @@ int inode_checkflags(FAR struct inode *inode, int oflags)
  *   applications.
  *
  * Returned Value:
- *   Zero (OK) is returned on success; a negated errno value is returned on
+ *   The new file descriptor is returned on success; a negated errno value is
- *   any failure.
+ *   returned on any failure.
  *
  ****************************************************************************/
 
@@ -303,8 +303,8 @@ errout_with_search:
  *   applications.
  *
  * Returned Value:
- *   Zero (OK) is returned on success; a negated errno value is returned on
+ *   The new file descriptor is returned on success; a negated errno value is
- *   any failure.
+ *   returned on any failure.
  *
  ****************************************************************************/
 
@@ -329,8 +329,8 @@ int nx_open(FAR const char *path, int oflags, ...)
  *   Standard 'open' interface
  *
  * Returned Value:
- *   Zero (OK) is returned on success; -1 (ERROR) is returned on any failure
+ *   The new file descriptor is returned on success; -1 (ERROR) is returned
- *   the the errno value set appropriately.
+ *   on any failure the errno value set appropriately.
  *
  ****************************************************************************/
 

include/nuttx/fs/fs.h

@@ -1012,8 +1012,8 @@ int fs_getfilep(int fd, FAR struct file **filep);
  *   called from applications.
  *
  * Returned Value:
- *   Zero (OK) is returned on success; a negated errno value is returned on
+ *   The new file descriptor is returned on success; a negated errno value is
- *   any failure.
+ *   returned on any failure.
  *
  ****************************************************************************/