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devtmpfs: factor out setup part of devtmpfsd()

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Factor out the setup part of devtmpfsd() to make it a bit easier to
see that we always call setup_done() exactly once (provided of course
the kthread is succesfully created).

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Link: https://lore.kernel.org/r/20200115184154.3492-3-linux@rasmusvillemoes.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rasmus Villemoes 2020-01-15 19:41:50 +01:00 committed by Greg Kroah-Hartman
parent c9d6b287d7
commit 0ff0e95e99
1 changed files with 12 additions and 5 deletions
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17
drivers/base/devtmpfs.c
View file

@ -388,7 +388,7 @@ static int handle(const char *name, umode_t mode, kuid_t uid, kgid_t gid,
return handle_remove(name, dev);
}
static int devtmpfsd(void *p)
static int devtmpfs_setup(void *p)
{
int err;
@ -400,7 +400,18 @@ static int devtmpfsd(void *p)
goto out;
ksys_chdir("/.."); /* will traverse into overmounted root */
ksys_chroot(".");
out:
*(int *)p = err;
complete(&setup_done);
return err;
}
static int devtmpfsd(void *p)
{
int err = devtmpfs_setup(p);
if (err)
return err;
while (1) {
spin_lock(&req_lock);
while (requests) {
@ -421,10 +432,6 @@ static int devtmpfsd(void *p)
schedule();
}
return 0;
out:
*(int *)p = err;
complete(&setup_done);
return err;
}
/*