[dpdk-dev] [PATCH] compress/qat: fix build issue with clang 7.0.0

Jerin Jacob jerin.jacob at caviumnetworks.com
Sat Oct 27 18:48:17 CEST 2018


QAT_NUM_BUFS_IN_IM_SGL defined as 1 the code access beyond
the first element.

error log:
/export/dpdk.org/drivers/compress/qat/qat_comp_pmd.c:214:3:
error: array index 1 is past the end of the array
(which contains 1 element) [-Werror,-Warray-bounds]
sgl->buffers[1].addr = mz_start_phys + offset_of_flat_buffs +

Fixes: a124830a6f00 ("compress/qat: enable dynamic huffman encoding")

Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
 drivers/compress/qat/qat_comp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/compress/qat/qat_comp.h b/drivers/compress/qat/qat_comp.h
index 99a4462eb..24d0d9cb4 100644
--- a/drivers/compress/qat/qat_comp.h
+++ b/drivers/compress/qat/qat_comp.h
@@ -17,7 +17,7 @@
 
 #define QAT_64_BYTE_ALIGN_MASK (~0x3f)
 #define QAT_64_BYTE_ALIGN (64)
-#define QAT_NUM_BUFS_IN_IM_SGL 1
+#define QAT_NUM_BUFS_IN_IM_SGL 2
 
 #define ERR_CODE_QAT_COMP_WRONG_FW -99
 
-- 
2.19.1



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