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link_path_walk(): move assignments to nd->last/nd->last_type up 

... and clean the main loop a bit

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-01-24 18:04:22 -05:00
parent ad8ca3743c
commit 5f4a6a6950
1 changed files with 10 additions and 12 deletions
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22
fs/namei.c
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@ -1802,8 +1802,11 @@ static int link_path_walk(const char *name, struct nameidata *nd)
}
}
nd->last = this;
nd->last_type = type;
if (!name[len])
goto last_component;
return 0;
/*
* If it wasn't NUL, we know it was '/'. Skip that
* slash, and continue until no more slashes.
@ -1812,7 +1815,8 @@ static int link_path_walk(const char *name, struct nameidata *nd)
len++;
} while (unlikely(name[len] == '/'));
if (!name[len])
goto last_component;
return 0;
name += len;
err = walk_component(nd, &next, &this, type, LOOKUP_FOLLOW);
@ -1824,16 +1828,10 @@ static int link_path_walk(const char *name, struct nameidata *nd)
if (err)
return err;
}
if (can_lookup(nd->inode))
continue;
err = -ENOTDIR;
break;
/* here ends the main loop */
last_component:
nd->last = this;
nd->last_type = type;
return 0;
if (!can_lookup(nd->inode)) {
err = -ENOTDIR;
break;
}
}
terminate_walk(nd);
return err;