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Diffstat (limited to 'arch/um/os-Linux/sigio.c')
-rw-r--r--arch/um/os-Linux/sigio.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index b2e1fd8e3571..3fc43b33db66 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -334,8 +334,11 @@ void maybe_sigio_broken(int fd, int read)
sigio_lock();
err = need_poll(&all_sigio_fds, all_sigio_fds.used + 1);
- if(err)
+ if(err){
+ printk("maybe_sigio_broken - failed to add pollfd for "
+ "descriptor %d\n", fd);
goto out;
+ }
all_sigio_fds.poll[all_sigio_fds.used++] =
((struct pollfd) { .fd = fd,