[dpdk-dev] [PATCH v1] net/ice/base: check memory pointer before copying
Haiyue Wang
haiyue.wang at intel.com
Tue Mar 31 08:50:34 CEST 2020
The ice_memdup doesn't check the new allocated memory pointer, it calls
the rte_memcpy directly. It should check it.
Fixes: 5f0978e96220 ("net/ice/base: add OS specific implementation")
Cc: stable at dpdk.org
Signed-off-by: Haiyue Wang <haiyue.wang at intel.com>
---
drivers/net/ice/base/ice_osdep.h | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ice/base/ice_osdep.h b/drivers/net/ice/base/ice_osdep.h
index a4a2994c7..88c2a65be 100644
--- a/drivers/net/ice/base/ice_osdep.h
+++ b/drivers/net/ice/base/ice_osdep.h
@@ -24,6 +24,8 @@
#include <rte_random.h>
#include <rte_io.h>
+#include "ice_alloc.h"
+
#include "../ice_logs.h"
#ifndef __INTEL_NET_BASE_OSDEP__
@@ -193,7 +195,6 @@ struct ice_virt_mem {
#define ice_memset(a, b, c, d) memset((a), (b), (c))
#define ice_memcpy(a, b, c, d) rte_memcpy((a), (b), (c))
-#define ice_memdup(a, b, c, d) rte_memcpy(ice_malloc(a, c), b, c)
/* SW spinlock */
struct ice_lock {
@@ -225,6 +226,19 @@ ice_destroy_lock(__attribute__((unused)) struct ice_lock *sp)
struct ice_hw;
+static __rte_always_inline void *
+ice_memdup(__rte_unused struct ice_hw *hw, const void *src, size_t size,
+ __rte_unused enum ice_memcpy_type dir)
+{
+ void *p;
+
+ p = ice_malloc(hw, size);
+ if (p)
+ rte_memcpy(p, src, size);
+
+ return p;
+}
+
static inline void *
ice_alloc_dma_mem(__attribute__((unused)) struct ice_hw *hw,
struct ice_dma_mem *mem, u64 size)
--
2.26.0
More information about the dev
mailing list