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hostfs: Use __getname() in follow_link

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Be consistent with all other functions in hostfs and just
use __getname().

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2015-03-03 23:55:49 +01:00
parent c278e81b8a
commit 7c9509924c
1 changed files with 11 additions and 14 deletions
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25
fs/hostfs/hostfs_kern.c
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@ -142,21 +142,19 @@ static char *follow_link(char *link)
int len, n;
char *name, *resolved, *end;
len = 64;
while (1) {
name = __getname();
if (!name) {
n = -ENOMEM;
name = kmalloc(len, GFP_KERNEL);
if (name == NULL)
goto out;
n = hostfs_do_readlink(link, name, len);
if (n < len)
break;
len *= 2;
kfree(name);
goto out_free;
}
n = hostfs_do_readlink(link, name, PATH_MAX);
if (n < 0)
goto out_free;
else if (n == PATH_MAX) {
n = -E2BIG;
goto out_free;
}
if (*name == '/')
return name;
@ -175,13 +173,12 @@ static char *follow_link(char *link)
}
sprintf(resolved, "%s%s", link, name);
kfree(name);
__putname(name);
kfree(link);
return resolved;
out_free:
kfree(name);
out:
__putname(name);
return ERR_PTR(n);
}