* [PATCH] read_file: Use read_full
@ 2014-02-13 9:12 Sascha Hauer
2014-02-17 10:04 ` Uwe Kleine-König
0 siblings, 1 reply; 2+ messages in thread
From: Sascha Hauer @ 2014-02-13 9:12 UTC (permalink / raw)
To: barebox
At least NFS does not fulfill read requests > 1024 bytes at once.
Use read_full in read_file as read doesn't guarantee that the
whole request can be read at once.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
fs/fs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/fs.c b/fs/fs.c
index 7a57bc0..eed0fce 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -60,7 +60,8 @@ again:
if (fd < 0)
goto err_out;
- if (read(fd, buf, s.st_size) < s.st_size)
+ ret = read_full(fd, buf, s.st_size);
+ if (ret < 0)
goto err_out1;
close(fd);
--
1.8.5.3
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] read_file: Use read_full
2014-02-13 9:12 [PATCH] read_file: Use read_full Sascha Hauer
@ 2014-02-17 10:04 ` Uwe Kleine-König
0 siblings, 0 replies; 2+ messages in thread
From: Uwe Kleine-König @ 2014-02-17 10:04 UTC (permalink / raw)
To: Sascha Hauer; +Cc: barebox
On Thu, Feb 13, 2014 at 10:12:53AM +0100, Sascha Hauer wrote:
> At least NFS does not fulfill read requests > 1024 bytes at once.
> Use read_full in read_file as read doesn't guarantee that the
> whole request can be read at once.
>
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Thanks
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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