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authorDavid S. Miller <davem@davemloft.net>2008-06-13 23:52:39 -0400
committerDavid S. Miller <davem@davemloft.net>2008-06-13 23:52:39 -0400
commit4ae127d1b6c71f9240dd4245f240e6dd8fc98014 (patch)
treeb7aa27b3e0c655f4613fe2146cb57d7f69e421f6 /mm/mmap.c
parent875ec4333b99144e2589e900a0bcd2c25c757b27 (diff)
parent7775c9753b94fe429dc4323360d6502c95e0dd6e (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/smc911x.c
Diffstat (limited to 'mm/mmap.c')
-rw-r--r--mm/mmap.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index 669499e7c2f5..3354fdd83d4b 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -245,10 +245,16 @@ asmlinkage unsigned long sys_brk(unsigned long brk)
245 unsigned long rlim, retval; 245 unsigned long rlim, retval;
246 unsigned long newbrk, oldbrk; 246 unsigned long newbrk, oldbrk;
247 struct mm_struct *mm = current->mm; 247 struct mm_struct *mm = current->mm;
248 unsigned long min_brk;
248 249
249 down_write(&mm->mmap_sem); 250 down_write(&mm->mmap_sem);
250 251
251 if (brk < mm->start_brk) 252#ifdef CONFIG_COMPAT_BRK
253 min_brk = mm->end_code;
254#else
255 min_brk = mm->start_brk;
256#endif
257 if (brk < min_brk)
252 goto out; 258 goto out;
253 259
254 /* 260 /*