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ia64: sn: Use kmemdup rather than duplicating its implementation

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The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Thomas Meyer 2011-11-17 23:43:40 +01:00 committed by Tony Luck
parent ac0d1a48d8
commit b82a3ecdc5
1 changed files with 2 additions and 3 deletions
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5
arch/ia64/sn/kernel/irq.c
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@ -150,12 +150,11 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
* PROM does not support SAL_INTR_REDIRECT, or it failed.
* Revert to old method.
*/
new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
new_irq_info = kmemdup(sn_irq_info, sizeof(struct sn_irq_info),
GFP_ATOMIC);
if (new_irq_info == NULL)
return NULL;
memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
/* Free the old PROM new_irq_info structure */
sn_intr_free(local_nasid, local_widget, new_irq_info);
unregister_intr_pda(new_irq_info);