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authorDavid S. Miller <davem@davemloft.net>2009-09-11 20:35:13 -0700
committerDavid S. Miller <davem@davemloft.net>2009-09-11 20:35:13 -0700
commitcabc5c0f7fa1342049042d6e147db5a73773955b (patch)
tree2be09ae1777d580c7dfe05d6d5b76e57281ec447 /fs/binfmt_elf.c
parentb73d884756303316ead4cd7dad51236b2a515a1a (diff)
parent86d710146fb9975f04c505ec78caa43d227c1018 (diff)
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Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: arch/sparc/Kconfig
Diffstat (limited to 'fs/binfmt_elf.c')
-rw-r--r--fs/binfmt_elf.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index b7c1603cd4bd..7c1e65d54872 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -501,22 +501,22 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
}
}
- /*
- * Now fill out the bss section. First pad the last page up
- * to the page boundary, and then perform a mmap to make sure
- * that there are zero-mapped pages up to and including the
- * last bss page.
- */
- if (padzero(elf_bss)) {
- error = -EFAULT;
- goto out_close;
- }
+ if (last_bss > elf_bss) {
+ /*
+ * Now fill out the bss section. First pad the last page up
+ * to the page boundary, and then perform a mmap to make sure
+ * that there are zero-mapped pages up to and including the
+ * last bss page.
+ */
+ if (padzero(elf_bss)) {
+ error = -EFAULT;
+ goto out_close;
+ }
- /* What we have mapped so far */
- elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1);
+ /* What we have mapped so far */
+ elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1);
- /* Map the last of the bss segment */
- if (last_bss > elf_bss) {
+ /* Map the last of the bss segment */
down_write(&current->mm->mmap_sem);
error = do_brk(elf_bss, last_bss - elf_bss);
up_write(&current->mm->mmap_sem);