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xattr: Remove unnecessary NULL attribute name check

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When NULL is passed to one of the xattr system calls as the attribute
name, copying that name from user space already fails with -EFAULT;
xattr_resolve_name is never called with a NULL attribute name.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Andreas Gruenbacher
2016-09-29 17:48:30 +02:00
committed by Al Viro
parent 08895a8b6b
commit 5d18cbf16c
1 changed files with 0 additions and 3 deletions
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3
fs/xattr.c
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@@ -675,9 +675,6 @@ xattr_resolve_name(const struct xattr_handler **handlers, const char **name)
{ {
const struct xattr_handler *handler; const struct xattr_handler *handler;
if (!*name)
return ERR_PTR(-EINVAL);
for_each_xattr_handler(handlers, handler) { for_each_xattr_handler(handlers, handler) {
const char *n; const char *n;