efi_loader: efi_capsule_delete_file() NULL dereference
If opening a file fails, the file handle pointer is not valid and must not
be dereferenced.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_loader/efi_capsule.c b/lib/efi_loader/efi_capsule.c
index 9ead0d2..60309d4 100644
--- a/lib/efi_loader/efi_capsule.c
+++ b/lib/efi_loader/efi_capsule.c
@@ -901,7 +901,8 @@
/* ignore an error */
EFI_CALL((*dirh->close)(dirh));
- ret = EFI_CALL((*fh->delete)(fh));
+ if (ret == EFI_SUCCESS)
+ ret = EFI_CALL((*fh->delete)(fh));
return ret;
}