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authorAl Viro <viro@zeniv.linux.org.uk>2011-06-19 12:49:47 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 01:43:10 -0400
commit1b5d783c94c328d406e801566f161adcfb018dda (patch)
treee7d27b987e0670099af28db0d6bfcdac33236046 /fs/binfmt_elf_fdpic.c
parent78f32a9b479e9b9f1ce2bf620a7602c1cdbc4c8e (diff)
downloadlinux-linaro-stable-1b5d783c94c328d406e801566f161adcfb018dda.tar.gz
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.c3
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);