1 files changed, 8 insertions, 8 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_hal_dma.c b/bsps/arm/stm32h7/hal/stm32h7xx_hal_dma.c
index e2bbea732e..da7510b142 100644
--- a/bsps/arm/stm32h7/hal/stm32h7xx_hal_dma.c
+++ b/bsps/arm/stm32h7/hal/stm32h7xx_hal_dma.c
@@ -439,7 +439,7 @@ HAL_StatusTypeDef HAL_DMA_Init(DMA_HandleTypeDef *hdma)
     }
     else
     {
-      hdma->DMAmuxRequestGen = 0U;
+      hdma->DMAmuxRequestGen = NULL;
       hdma->DMAmuxRequestGenStatus = 0U;
       hdma->DMAmuxRequestGenStatusMask = 0U;
     }
@@ -535,7 +535,7 @@ HAL_StatusTypeDef HAL_DMA_DeInit(DMA_HandleTypeDef *hdma)
     DMAmuxChannel, DMAmuxChannelStatus and DMAmuxChannelStatusMask */
     DMA_CalcDMAMUXChannelBaseAndMask(hdma);
 
-    if(hdma->DMAmuxChannel != 0U)
+    if(hdma->DMAmuxChannel != NULL)
     {
       /* Resett he DMAMUX channel that corresponds to the DMA stream */
       hdma->DMAmuxChannel->CCR = 0U;
@@ -557,7 +557,7 @@ HAL_StatusTypeDef HAL_DMA_DeInit(DMA_HandleTypeDef *hdma)
       hdma->DMAmuxRequestGenStatus->RGCFR = hdma->DMAmuxRequestGenStatusMask;
     }
 
-    hdma->DMAmuxRequestGen = 0U;
+    hdma->DMAmuxRequestGen = NULL;
     hdma->DMAmuxRequestGenStatus = 0U;
     hdma->DMAmuxRequestGenStatusMask = 0U;
   }
@@ -733,7 +733,7 @@ HAL_StatusTypeDef HAL_DMA_Start_IT(DMA_HandleTypeDef *hdma, uint32_t SrcAddress,
         hdma->DMAmuxChannel->CCR |= DMAMUX_CxCR_SOIE;
       }
 
-      if(hdma->DMAmuxRequestGen != 0U)
+      if(hdma->DMAmuxRequestGen != NULL)
       {
         /* if using DMAMUX request generator, enable the DMAMUX request generator overrun IT*/
         /* enable the request gen overrun IT */
@@ -860,7 +860,7 @@ HAL_StatusTypeDef HAL_DMA_Abort(DMA_HandleTypeDef *hdma)
       /* Clear the DMAMUX synchro overrun flag */
       hdma->DMAmuxChannelStatus->CFR = hdma->DMAmuxChannelStatusMask;
 
-      if(hdma->DMAmuxRequestGen != 0U)
+      if(hdma->DMAmuxRequestGen != NULL)
       {
         /* if using DMAMUX request generator, disable the DMAMUX request generator overrun IT */
         /* disable the request gen overrun IT */
@@ -932,7 +932,7 @@ HAL_StatusTypeDef HAL_DMA_Abort_IT(DMA_HandleTypeDef *hdma)
         /* Clear the DMAMUX synchro overrun flag */
         hdma->DMAmuxChannelStatus->CFR = hdma->DMAmuxChannelStatusMask;
 
-        if(hdma->DMAmuxRequestGen != 0U)
+        if(hdma->DMAmuxRequestGen != NULL)
         {
           /* if using DMAMUX request generator, disable the DMAMUX request generator overrun IT*/
           /* disable the request gen overrun IT */
@@ -1132,7 +1132,7 @@ HAL_StatusTypeDef HAL_DMA_PollForTransfer(DMA_HandleTypeDef *hdma, HAL_DMA_Level
     if(IS_DMA_DMAMUX_ALL_INSTANCE(hdma->Instance) != 0U) /* No DMAMUX available for BDMA1 */
     {
       /* Check for DMAMUX Request generator (if used) overrun status */
-      if(hdma->DMAmuxRequestGen != 0U)
+      if(hdma->DMAmuxRequestGen != NULL)
       {
         /* if using DMAMUX request generator Check for DMAMUX request generator overrun */
         if((hdma->DMAmuxRequestGenStatus->RGSR & hdma->DMAmuxRequestGenStatusMask) != 0U)
@@ -1773,7 +1773,7 @@ static void DMA_SetConfig(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t
     /* Clear the DMAMUX synchro overrun flag */
     hdma->DMAmuxChannelStatus->CFR = hdma->DMAmuxChannelStatusMask;
 
-    if(hdma->DMAmuxRequestGen != 0U)
+    if(hdma->DMAmuxRequestGen != NULL)
     {
       /* Clear the DMAMUX request generator overrun flag */
       hdma->DMAmuxRequestGenStatus->RGCFR = hdma->DMAmuxRequestGenStatusMask;