aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc/kernel/sys_sparc.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2008-05-07 05:24:28 -0400
committerDavid S. Miller <davem@davemloft.net>2008-05-07 05:24:28 -0400
commit5816339310b2d9623cf413d33e538b45e815da5d (patch)
tree268187469afc7e9eae439ef613f0c9f86f5e91ba /arch/sparc/kernel/sys_sparc.c
parentd45100f7b69e3d9cd0cd5e956b6ac2c78d460d07 (diff)
sparc: Fix mmap VA span checking.
We should not conditionalize VA range checks on MAP_FIXED. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/sys_sparc.c')
-rw-r--r--arch/sparc/kernel/sys_sparc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c
index f188b5dc9fd0..e995491c4436 100644
--- a/arch/sparc/kernel/sys_sparc.c
+++ b/arch/sparc/kernel/sys_sparc.c
@@ -223,8 +223,7 @@ int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
223{ 223{
224 if (ARCH_SUN4C_SUN4 && 224 if (ARCH_SUN4C_SUN4 &&
225 (len > 0x20000000 || 225 (len > 0x20000000 ||
226 ((flags & MAP_FIXED) && 226 (addr < 0xe0000000 && addr + len > 0x20000000)))
227 addr < 0xe0000000 && addr + len > 0x20000000)))
228 return -EINVAL; 227 return -EINVAL;
229 228
230 /* See asm-sparc/uaccess.h */ 229 /* See asm-sparc/uaccess.h */