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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-06-19 12:49:47 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-07-20 01:43:10 -0400 |
| commit | 1b5d783c94c328d406e801566f161adcfb018dda (patch) | |
| tree | e7d27b987e0670099af28db0d6bfcdac33236046 /fs/binfmt_elf_fdpic.c | |
| parent | 78f32a9b479e9b9f1ce2bf620a7602c1cdbc4c8e (diff) | |
| download | lwn-1b5d783c94c328d406e801566f161adcfb018dda.tar.gz lwn-1b5d783c94c328d406e801566f161adcfb018dda.zip | |
consolidate BINPRM_FLAGS_ENFORCE_NONDUMP handling
new helper: would_dump(bprm, file). Checks if we are allowed to
read the file and if we are not - sets ENFORCE_NODUMP. Exported,
used in places that previously open-coded the same logics.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/binfmt_elf_fdpic.c')
| -rw-r--r-- | fs/binfmt_elf_fdpic.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 2bc5dc644b4c..30745f459faf 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -245,8 +245,7 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm, * mm->dumpable = 0 regardless of the interpreter's * permissions. */ - if (file_permission(interpreter, MAY_READ) < 0) - bprm->interp_flags |= BINPRM_FLAGS_ENFORCE_NONDUMP; + would_dump(bprm, interpreter); retval = kernel_read(interpreter, 0, bprm->buf, BINPRM_BUF_SIZE); |