fs/cifs/cifsacl.c: check-after-use

[Adrian Bunk <bunk@kernel.org>]

The Coverity checker spotted the following check-after-use in 
fs/cifs/cifsacl.c:

<--  snip  -->

...
static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
                       struct cifs_sid *pownersid, struct cifs_sid *pgrpsid,
                       struct inode *inode)
{
...
        if (end_of_acl < (char *)pdacl + le16_to_cpu(pdacl->size)) {
...                                                  ^^^^^^^^^^^
        if (!pdacl) {
...

<--  snip  -->

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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