From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Sat, 28 Feb 2015 17:45:07 +0000 (-0300)
Subject: depmod: add asserts to ensure positive return from ftell()
X-Git-Tag: v20~4
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=22df456760cf9e42302235c82125c2eb578050b2;p=thirdparty%2Fkmod.git

depmod: add asserts to ensure positive return from ftell()

Also ignore some errors that will later be returned by ferror().
---

diff --git a/tools/depmod.c b/tools/depmod.c
index 851af0cc..231b9abf 100644
--- a/tools/depmod.c
+++ b/tools/depmod.c
@@ -407,6 +407,7 @@ static void index_write(const struct index_node *node, FILE *out)
 
 	/* Second word is reserved for the offset of the root node */
 	initial_offset = ftell(out);
+	assert(initial_offset >= 0);
 	u = 0;
 	fwrite(&u, sizeof(uint32_t), 1, out);
 
@@ -415,9 +416,10 @@ static void index_write(const struct index_node *node, FILE *out)
 
 	/* Update first word */
 	final_offset = ftell(out);
-	fseek(out, initial_offset, SEEK_SET);
+	assert(final_offset >= 0);
+	(void)fseek(out, initial_offset, SEEK_SET);
 	fwrite(&u, sizeof(uint32_t), 1, out);
-	fseek(out, final_offset, SEEK_SET);
+	(void)fseek(out, final_offset, SEEK_SET);
 }
 
 /* END: code from module-init-tools/index.c just modified to compile here.