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staging: lustre: llite: initialize xattr->xe_namelen

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When the allocation of xattr->xe_name was moved to kstrdup()
setting xattr->xe_namelen was dropped. This field is used
in several parts of the xattr cache code so it broke xattr
handling. Initialize xattr->xe_namelen when allocating
xattr->xe_name succeeds. Also change the debugging statement
to really report the xattr name instead of its length which
wasn't event being set.

Fixes: b3dd8957c2 ("staging: lustre: lustre: llite: Use kstrdup"
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
James Simmons 2018-04-16 00:14:50 -04:00 • committed by Greg Kroah-Hartman
commit 15f7330be7
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/lustre/lustre/llite/xattr_cache.c
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@ -121,10 +121,12 @@ static int ll_xattr_cache_add(struct list_head *cache,
xattr->xe_name = kstrdup(xattr_name, GFP_NOFS);
if (!xattr->xe_name) {
CDEBUG(D_CACHE, "failed to alloc xattr name %u\n",
xattr->xe_namelen);
CDEBUG(D_CACHE, "failed to alloc xattr name %s\n",
xattr_name);
goto err_name;
}
xattr->xe_namelen = strlen(xattr_name) + 1;
xattr->xe_value = kmemdup(xattr_val, xattr_val_len, GFP_NOFS);
if (!xattr->xe_value)
goto err_value;