- In pipe() return the error returned by pipe_create(), rather then

  hardcoded ENFILES, which is incorrect. pipe_create() can fail due
  to ENOMEM.
- Update manual page, describing ENOMEM return code.

Reviewed by:	arch

1 files changed, 3 insertions, 2 deletions

diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c
index a237d979408e..3b631988d4bf 100644
--- a/sys/kern/sys_pipe.c
+++ b/sys/kern/sys_pipe.c
@@ -357,10 +357,11 @@ pipe(td, uap)
 	    NULL);
 
 	/* Only the forward direction pipe is backed by default */
-	if (pipe_create(rpipe, 1) || pipe_create(wpipe, 0)) {
+	if ((error = pipe_create(rpipe, 1)) != 0 ||
+	    (error = pipe_create(wpipe, 0)) != 0) {
 		pipeclose(rpipe);
 		pipeclose(wpipe);
-		return (ENFILE);
+		return (error);
 	}
 
 	rpipe->pipe_state |= PIPE_DIRECTOK;