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staging/lustre: surround module_refcount with CONFIG_MODULE_UNLOAD 

module_refcount() is not available when CONFIG_MODULE_UNLOAD is off.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peng Tao 2013-06-06 22:59:12 +08:00 committed by Greg Kroah-Hartman
parent 4b5b4c7222
commit 4a1a01ea52
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/lustre/lustre/obdclass/lu_object.c
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@ -1351,7 +1351,9 @@ static void key_fini(struct lu_context *ctx, int index)
LASSERT(key->lct_owner != NULL);
if ((ctx->lc_tags & LCT_NOREF) == 0) {
#ifdef CONFIG_MODULE_UNLOAD
LINVRNT(module_refcount(key->lct_owner) > 0);
#endif
module_put(key->lct_owner);
}
ctx->lc_value[index] = NULL;