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switch do_filp_open() to struct open_flags

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take calculation of open_flags by open(2) arguments into new helper
in fs/open.c, move filp_open() over there, have it and do_sys_open()
use that helper, switch exec.c callers of do_filp_open() to explicit
(and constant) struct open_flags.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2011-02-23 17:44:09 -05:00
parent c3e380b0b3
commit 47c805dc2d
5 changed files with 101 additions and 88 deletions
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18
fs/exec.c
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@ -115,13 +115,16 @@ SYSCALL_DEFINE1(uselib, const char __user *, library)
struct file *file;
char *tmp = getname(library);
int error = PTR_ERR(tmp);
static const struct open_flags uselib_flags = {
.open_flag = O_LARGEFILE | O_RDONLY | __FMODE_EXEC,
.acc_mode = MAY_READ | MAY_EXEC | MAY_OPEN,
.intent = LOOKUP_OPEN
};
if (IS_ERR(tmp))
goto out;
file = do_filp_open(AT_FDCWD, tmp,
O_LARGEFILE | O_RDONLY | __FMODE_EXEC, 0,
MAY_READ | MAY_EXEC | MAY_OPEN);
file = do_filp_open(AT_FDCWD, tmp, &uselib_flags, LOOKUP_FOLLOW);
putname(tmp);
error = PTR_ERR(file);
if (IS_ERR(file))
@ -721,10 +724,13 @@ struct file *open_exec(const char *name)
{
struct file *file;
int err;
static const struct open_flags open_exec_flags = {
.open_flag = O_LARGEFILE | O_RDONLY | __FMODE_EXEC,
.acc_mode = MAY_EXEC | MAY_OPEN,
.intent = LOOKUP_OPEN
};
file = do_filp_open(AT_FDCWD, name,
O_LARGEFILE | O_RDONLY | __FMODE_EXEC, 0,
MAY_EXEC | MAY_OPEN);
file = do_filp_open(AT_FDCWD, name, &open_exec_flags, LOOKUP_FOLLOW);
if (IS_ERR(file))
goto out;