ARC: refactoring: reduce the scope of some local vars

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c
index 9e1142729fd14c003c4f302a8305de1d735ab7a2..8c3a3e02ba92c8adbc368dba9a3cd283f32c3e72 100644 (file)
--- a/arch/arc/mm/cache_arc700.c
+++ b/arch/arc/mm/cache_arc700.c
@@ -530,16 +530,9 @@ EXPORT_SYMBOL(dma_cache_wback);
  */
 void flush_icache_range(unsigned long kstart, unsigned long kend)
 {
-       unsigned int tot_sz, off, sz;
-       unsigned long phy, pfn;
+       unsigned int tot_sz;
 
-       /* printk("Kernel Cache Cohenercy: %lx to %lx\n",kstart, kend); */
-
-       /* This is not the right API for user virtual address */
-       if (kstart < TASK_SIZE) {
-               BUG_ON("Flush icache range for user virtual addr space");
-               return;
-       }
+       WARN(kstart < TASK_SIZE, "%s() can't handle user vaddr", __func__);
 
        /* Shortcut for bigger flush ranges.
         * Here we don't care if this was kernel virtual or phy addr
@@ -572,6 +565,9 @@ void flush_icache_range(unsigned long kstart, unsigned long kend)
         *     straddles across 2 virtual pages and hence need for loop
         */
        while (tot_sz > 0) {
+               unsigned int off, sz;
+               unsigned long phy, pfn;
+
                off = kstart % PAGE_SIZE;
                pfn = vmalloc_to_pfn((void *)kstart);
                phy = (pfn << PAGE_SHIFT) + off;