linux-kernel - [PATCH 1/1] scripts: Enable error messages while hush up unnecessary warnings

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Message-ID: <20100911051333.GA18189@mail.gmail.com>
Date:	Fri, 10 Sep 2010 23:13:33 -0600
From:	Jean Sacren <sakiwit@...il.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/1] scripts: Enable error messages while hush up
 unnecessary warnings

As no error was handled, we wouldn't be able to know when an error does
occur. The fix preserves error messages while it doesn't let unnecessary
compiling warnings show up.

Signed-off-by: Jean Sacren <sakiwit@...il.com>
---
 scripts/kallsyms.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index e3902fb..60dd3eb 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -107,12 +107,8 @@ static int read_symbol(FILE *in, struct sym_entry *s)
 
 	rc = fscanf(in, "%llx %c %499s\n", &s->addr, &stype, str);
 	if (rc != 3) {
-		if (rc != EOF) {
-			/* skip line. sym is used as dummy to
-			 * shut of "warn_unused_result" warning.
-			 */
-			sym = fgets(str, 500, in);
-		}
+		if (rc != EOF && fgets(str, 500, in) == NULL)
+			fprintf(stderr, "Read error or end of file.\n");
 		return -1;
 	}
 
-- 
1.7.1
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