From: Dan Rapaport <drapaport@habana.ai>
Date: Mon, 30 May 2022 11:11:45 +0000 (+0300)
Subject: habanalabs: align ioctl uapi structures to 64-bit
X-Git-Tag: v6.0-rc1~136^2~27^2~83
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2acd21cd00ce635adfec5a8725a0c342812bffb4;p=thirdparty%2Fkernel%2Flinux.git

habanalabs: align ioctl uapi structures to 64-bit

The compiler is padding the members of the struct to be aligned to
64-bit. The content of the padded bytes is and not zeroed explicitly,
hence might copy undefined data. We add a padding member to the struct
to get a zeroed 64-bit align struct.

Signed-off-by: Dan Rapaport <drapaport@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---

diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h
index 52540d5b4fc95..6d2ccc09dcf2f 100644
--- a/include/uapi/misc/habanalabs.h
+++ b/include/uapi/misc/habanalabs.h
@@ -949,6 +949,7 @@ struct hl_cs_in {
 
 	/* Context ID - Currently not in use */
 	__u32 ctx_id;
+	__u8 pad[4];
 };
 
 struct hl_cs_out {