This patch seem to be fine. Please consider this patch as Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@xxxxxxx> Regards, Nagalakshmi -----Original Message----- From: Tomas Henzl [mailto:thenzl@xxxxxxxxxx] Sent: Monday, February 13, 2012 11:00 PM To: 'linux-scsi@xxxxxxxxxxxxxxx' Cc: Desai, Kashyap; Nandigama, Nagalakshmi; Stanislaw Gruszka Subject: [PATCH] mpt2sas: add missing allocation check The __get_free_pages can fail, so the return value should be checked. Spotted thanks to Stanislaw. Signed-off-by: Tomas Henzl <thenzl@xxxxxxxxxx> diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 0b2c955..590e1a1 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -2575,6 +2575,11 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( GFP_KERNEL, ioc->chain_pages); + if (!ioc->chain_lookup) { + printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " + "sz(%d)\n", ioc->name, (int)sz); + goto out; + } ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, ioc->request_sz, 16, 0); if (!ioc->chain_dma_pool) { -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
