[2.6.38-rc6] build:mkpiggy fixlet...

[Daniel J Blueman]

Ensure build doesn't silently continue despite read failure,
addressing a warning due to the unchecked call.

Signed-off-by: Daniel J Blueman <daniel.blueman@xxxxxxxxx>

diff --git a/arch/x86/boot/compressed/mkpiggy.c
b/arch/x86/boot/compressed/mkpiggy.c
index 646aa78..845a1f8 100644
--- a/arch/x86/boot/compressed/mkpiggy.c
+++ b/arch/x86/boot/compressed/mkpiggy.c
@@ -62,7 +62,12 @@ int main(int argc, char *argv[])
 	if (fseek(f, -4L, SEEK_END)) {
 		perror(argv[1]);
 	}
-	fread(&olen, sizeof olen, 1, f);
+
+	if (fread(&olen, sizeof(olen), 1, f) != 1) {
+		perror(argv[1]);
+		return 1;
+	}
+		
 	ilen = ftell(f);
 	olen = getle32(&olen);
 	fclose(f);
-- 
Daniel J Blueman
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