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author | David S. Miller <davem@davemloft.net> | 2009-09-11 20:35:13 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-09-11 20:35:13 -0700 |
commit | cabc5c0f7fa1342049042d6e147db5a73773955b (patch) | |
tree | 2be09ae1777d580c7dfe05d6d5b76e57281ec447 /fs/binfmt_elf.c | |
parent | b73d884756303316ead4cd7dad51236b2a515a1a (diff) | |
parent | 86d710146fb9975f04c505ec78caa43d227c1018 (diff) | |
download | linux-cabc5c0f7fa1342049042d6e147db5a73773955b.tar.gz linux-cabc5c0f7fa1342049042d6e147db5a73773955b.tar.bz2 linux-cabc5c0f7fa1342049042d6e147db5a73773955b.zip |
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.c | 28 |
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(¤t->mm->mmap_sem); error = do_brk(elf_bss, last_bss - elf_bss); up_write(¤t->mm->mmap_sem); |