ftruncate needs to set errno correctly on error.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
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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