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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH 2/5] fs: set errno in ftruncate()
Date: Mon,  4 Feb 2019 15:46:38 +0100	[thread overview]
Message-ID: <20190204144641.19600-3-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20190204144641.19600-1-s.hauer@pengutronix.de>

ftruncate needs to set errno correctly on error.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 fs/fs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/fs.c b/fs/fs.c
index 4ec9c7a842..c5b17e158a 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -216,8 +216,10 @@ int ftruncate(int fd, loff_t length)
 	fsdrv = f->fsdev->driver;
 
 	ret = fsdrv->truncate(&f->fsdev->dev, f, length);
-	if (ret)
+	if (ret) {
+		errno = -ret;
 		return ret;
+	}
 
 	f->size = length;
 
-- 
2.20.1


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  parent reply	other threads:[~2019-02-04 14:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-04 14:46 [PATCH 0/5] 32-bit lseek and /dev/mem fixes/improvements Sascha Hauer
2019-02-04 14:46 ` [PATCH 1/5] fs: let truncate take a loff_t argument Sascha Hauer
2019-02-04 14:46 ` Sascha Hauer [this message]
2019-02-04 14:46 ` [PATCH 3/5] fs: do not call truncate for FILE_SIZE_STREAM sized files Sascha Hauer
2019-02-04 14:46 ` [PATCH 4/5] fs: devfs: forbid truncation when cdev has no truncate operation Sascha Hauer
2019-02-04 14:46 ` [PATCH 5/5] misc: fix /dev/mem size Sascha Hauer
2019-02-05 21:44 ` [PATCH 0/5] 32-bit lseek and /dev/mem fixes/improvements Andrey Smirnov
2019-02-06  7:33   ` Sascha Hauer
2019-02-06  7:37     ` Andrey Smirnov

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