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dlm: fix dlm_dir_lookup() handling of too long names

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... those can happen and BUG() from DLM_ASSERT() in allocate_direntry() is
not a good way to handle them.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Al Viro
2008-01-26 00:03:59 -05:00
committed by David Teigland
parent a9cc915928
commit 043b19cdc0
1 changed files with 3 additions and 0 deletions
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3
fs/dlm/dir.c
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@@ -319,6 +319,9 @@ static int get_entry(struct dlm_ls *ls, int nodeid, char *name,
write_unlock(&ls->ls_dirtbl[bucket].lock); write_unlock(&ls->ls_dirtbl[bucket].lock);
if (namelen > DLM_RESNAME_MAXLEN)
return -EINVAL;
de = kzalloc(sizeof(struct dlm_direntry) + namelen, GFP_KERNEL); de = kzalloc(sizeof(struct dlm_direntry) + namelen, GFP_KERNEL);
if (!de) if (!de)
return -ENOMEM; return -ENOMEM;