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usb: isp1760: rework cache initialization error handling

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If we fail to create qtd cache we were not destroying the
urb_listitem, rework the error handling logic to cope with that.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20210727100516.4190681-4-rui.silva@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rui Miguel Silva 2021-07-27 11:05:16 +01:00 committed by Greg Kroah-Hartman
parent 41f6731838
commit cbbdb3fe0d
1 changed files with 11 additions and 5 deletions
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16
drivers/usb/isp1760/isp1760-hcd.c
View file

@ -2527,17 +2527,23 @@ int __init isp1760_init_kmem_once(void)
SLAB_MEM_SPREAD, NULL);
if (!qtd_cachep)
return -ENOMEM;
goto destroy_urb_listitem;
qh_cachep = kmem_cache_create("isp1760_qh", sizeof(struct isp1760_qh),
0, SLAB_TEMPORARY | SLAB_MEM_SPREAD, NULL);
if (!qh_cachep) {
kmem_cache_destroy(qtd_cachep);
return -ENOMEM;
}
if (!qh_cachep)
goto destroy_qtd;
return 0;
destroy_qtd:
kmem_cache_destroy(qtd_cachep);
destroy_urb_listitem:
kmem_cache_destroy(urb_listitem_cachep);
return -ENOMEM;
}
void isp1760_deinit_kmem_cache(void)