ash: output: Fix fmtstr return value
Upstream commit:
Date: Sat, 19 May 2018 02:39:44 +0800
output: Fix fmtstr return value
The function fmtstr is meant to return the actual length of output
produced, rather than the untruncated length.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash.c b/shell/ash.c
index db7dffc..a006a1c 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -713,7 +713,7 @@
ret = vsnprintf(outbuf, length, fmt, ap);
va_end(ap);
INT_ON;
- return ret;
+ return ret > (int)length ? length : ret;
}
static void
