From: Alejandro Lucero <alejandro.lucero@netronome.com>
Date: Thu, 1 Nov 2018 19:53:24 +0000 (+0000)
Subject: malloc: fix DMA mask check
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=af0aa2357d94f4210e679835138cb911d4d55f1c;p=dpdk.git

malloc: fix DMA mask check

The param needs to be the maskbits and not the mask.

Fixes: 223b7f1d5ef6 ("mem: add function for checking memseg IOVA")

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
Tested-by: Ferruh Yigit <ferruh.yigit@intel.com>
---

diff --git a/lib/librte_eal/common/malloc_heap.c b/lib/librte_eal/common/malloc_heap.c
index 1973b6e6ec..d1019e3cd5 100644
--- a/lib/librte_eal/common/malloc_heap.c
+++ b/lib/librte_eal/common/malloc_heap.c
@@ -294,7 +294,6 @@ alloc_pages_on_heap(struct malloc_heap *heap, uint64_t pg_sz, size_t elt_size,
 	size_t alloc_sz;
 	int allocd_pages;
 	void *ret, *map_addr;
-	uint64_t mask;
 
 	alloc_sz = (size_t)pg_sz * n_segs;
 
@@ -323,8 +322,7 @@ alloc_pages_on_heap(struct malloc_heap *heap, uint64_t pg_sz, size_t elt_size,
 	}
 
 	if (mcfg->dma_maskbits) {
-		mask = ~((1ULL << mcfg->dma_maskbits) - 1);
-		if (rte_eal_check_dma_mask(mask)) {
+		if (rte_eal_check_dma_mask(mcfg->dma_maskbits)) {
 			RTE_LOG(ERR, EAL,
 				"%s(): couldn't allocate memory due to DMA mask\n",
 				__func__);