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-rw-r--r--arch/x86/boot/compressed/mkpiggy.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 646aa78..46a8238 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);
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