1 files changed, 7 insertions, 2 deletions

diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 5c228129d175..46a823882437 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);
@@ -74,7 +79,7 @@ int main(int argc, char *argv[])
 
         offs = (olen > ilen) ? olen - ilen : 0;
         offs += olen >> 12;     /* Add 8 bytes for each 32K block */
-        offs += 32*1024 + 18;   /* Add 32K + 18 bytes slack */
+        offs += 64*1024 + 128;  /* Add 64K + 128 bytes slack */
         offs = (offs+4095) & ~4095; /* Round to a 4K boundary */
 
         printf(".section \".rodata..compressed\",\"a\",@progbits\n");