libertas: down_interruptible() can return -EINTR, not EINTR

[roel kluin]

Fix test in lbs_spi_thread(). down_interruptible() can return -EINTR, but not EINTR.

Signed-off-by: Roel Kluin <roel.kluin at gmail.com>
---
 drivers/net/wireless/libertas/if_spi.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index ecd4d04..0060023 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -784,7 +784,7 @@ static int lbs_spi_thread(void *data)
 				up(&card->spi_thread_terminated);
 				do_exit(0);
 			}
-		} while (err == EINTR);
+		} while (err == -EINTR);
 
 		/* Read the host interrupt status register to see what we
 		 * can do. */