Signed-off-by: Christoph Hellwig <hch@lst.de>
---
  lib/dma-debug.c | 20 ++++----------------
  1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 712a897174e4..075253cb613b 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c

@@ -132,7 +132,7 @@ static u32 min_free_entries;
  static u32 nr_total_entries;
  
  /* number of preallocated entries requested by kernel cmdline */
-static u32 req_entries;
+static u32 nr_prealloc_entries = PREALLOC_DMA_DEBUG_ENTRIES;
  
  /* debugfs dentry's for the stuff above */
  static struct dentry *dma_debug_dent        __read_mostly;

@@ -1011,7 +1011,6 @@ void dma_debug_add_bus(struct bus_type *bus)
  
  static int dma_debug_init(void)
  {
-	u32 num_entries;
  	int i;
  
  	/* Do not use dma_debug_initialized here, since we really want to be

@@ -1032,12 +1031,7 @@ static int dma_debug_init(void)
  		return 0;
  	}
  
-	if (req_entries)
-		num_entries = req_entries;
-	else
-		num_entries = PREALLOC_DMA_DEBUG_ENTRIES;
-
-	if (prealloc_memory(num_entries) != 0) {
+	if (prealloc_memory(nr_prealloc_entries) != 0) {
  		pr_err("DMA-API: debugging out of memory error - disabled\n");
  		global_disable = true;
  

@@ -1068,16 +1062,10 @@ static __init int dma_debug_cmdline(char *str)
  
  static __init int dma_debug_entries_cmdline(char *str)
  {
-	int res;
-
  	if (!str)
  		return -EINVAL;
-
-	res = get_option(&str, &req_entries);
-
-	if (!res)
-		req_entries = 0;
-
+	if (!get_option(&str, &nr_prealloc_entries))
+		nr_prealloc_entries = PREALLOC_DMA_DEBUG_ENTRIES;
  	return 0;
  }