Title: [9232] trunk/arch/blackfin/kernel/sys_bfin.c: bfin: cacheflush: return early to make rest of code simpler
- Revision
- 9232
- Author
- vapier
- Date
- 2010-10-17 05:19:44 -0400 (Sun, 17 Oct 2010)
Log Message
bfin: cacheflush: return early to make rest of code simpler
Modified Paths
Diff
Modified: trunk/arch/blackfin/kernel/sys_bfin.c (9231 => 9232)
--- trunk/arch/blackfin/kernel/sys_bfin.c 2010-10-17 09:19:07 UTC (rev 9231)
+++ trunk/arch/blackfin/kernel/sys_bfin.c 2010-10-17 09:19:44 UTC (rev 9232)
@@ -75,13 +75,13 @@
SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, len, int, op)
{
- if (is_user_addr_valid(current, addr, len) == 0) {
- if (op & DCACHE)
- blackfin_dcache_flush_range(addr, addr + len);
- if (op & ICACHE)
- blackfin_icache_flush_range(addr, addr + len);
- return 0;
- }
+ if (is_user_addr_valid(current, addr, len) != 0)
+ return -EINVAL;
- return -EINVAL;
+ if (op & DCACHE)
+ blackfin_dcache_flush_range(addr, addr + len);
+ if (op & ICACHE)
+ blackfin_icache_flush_range(addr, addr + len);
+
+ return 0;
}
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