warning: ignoring return value of 'fread', declared with attribute
warn_unused_result
This fix facilitates fread() either it succeeds, or an error occurs or
the end of file is reached.
Signed-off-by: Jean Sacren <sakiwit@xxxxxxxxx>
---
arch/x86/boot/compressed/mkpiggy.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 5c22812..fac37c3 100644
--- a/arch/x86/boot/compressed/mkpiggy.c
+++ b/arch/x86/boot/compressed/mkpiggy.c
@@ -62,7 +62,10 @@ 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)
+ fprintf(stderr, "\nError in reading or end of file.\n");
+
ilen = ftell(f);
olen = getle32(&olen);
fclose(f);
--
1.7.1
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