[PATCH] fbdev: fix check on nanosleep return vale

[Stefano Sabatini]

In fbdev_read_packet(): nanosleep returns -1 in case of errors,
the EINTR check has to be done on errno.

Spotted by Nicolas.
---
 libavdevice/fbdev.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavdevice/fbdev.c b/libavdevice/fbdev.c
index 0c282f4..121f02c 100644
--- a/libavdevice/fbdev.c
+++ b/libavdevice/fbdev.c
@@ -204,7 +204,7 @@ static int fbdev_read_packet(AVFormatContext *avctx, AVPacket *pkt)
             return AVERROR(EAGAIN);
         ts.tv_sec  =  delay / 1000000;
         ts.tv_nsec = (delay % 1000000) * 1000;
-        while (nanosleep(&ts, &ts) == EINTR);
+        while (nanosleep(&ts, &ts) < 0 && errno == EINTR);
     }
 
     if ((ret = av_new_packet(pkt, fbdev->frame_size)) < 0)
-- 
1.7.2.3


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