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Commit 26f4b1f7 authored by Gilad Ben-Yossef's avatar Gilad Ben-Yossef Committed by Greg Kroah-Hartman
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staging: ccree: fix buffer copy 



Fix a bug where the copying of scatterlist buffers incorrectly
ignored bytes to skip in a scatterlist and ended 1 byte short.

This fixes testmgr hmac and hash test failures currently obscured
by hash import/export not being supported.

Fixes: abefd674 ("staging: ccree: introduce CryptoCell HW driver").

Signed-off-by: default avatarGilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0a33252e

drivers/staging/ccree/ssi_buffer_mgr.c

+2 −1
Original line number Diff line number Diff line
@@ -216,7 +216,8 @@ void ssi_buffer_mgr_copy_scatterlist_portion( 
	uint32_t nents, lbytes;



	nents = ssi_buffer_mgr_get_sgl_nents(sg, end, &lbytes, NULL);

	sg_copy_buffer(sg, nents, (void *)dest, (end - to_skip), 0, (direct == SSI_SG_TO_BUF));

	sg_copy_buffer(sg, nents, (void *)dest, (end - to_skip + 1), to_skip,

		       (direct == SSI_SG_TO_BUF));

}



static inline int ssi_buffer_mgr_render_buff_to_mlli(