[PATCH 7.2 48/82] mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()
Greg Kroah-Hartman <[email protected]>
| Newsgroups | org.kernel.vger.stable,dev.linux.lists.patches |
|---|---|
| Message-ID | <[email protected]> |
7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Griffin Kroah-Hartman <[email protected]> commit b37c4d0a2fd90c0c31223acd37f763eb8953ed1a upstream. Add a check to see if devm_kasprintf() is not NULL in mchp_ipc_get_cluster_aggr_irq(), returning -ENOMEM if the function failed. Assisted-by: gkh_clanker_t1000 CC: Jassi Brar <[email protected]> Signed-off-by: Griffin Kroah-Hartman <[email protected]> Signed-off-by: Jassi Brar <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/mailbox/mailbox-mchp-ipc-sbi.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/mailbox/mailbox-mchp-ipc-sbi.c +++ b/drivers/mailbox/mailbox-mchp-ipc-sbi.c @@ -378,6 +378,8 @@ static int mchp_ipc_get_cluster_aggr_irq for_each_online_cpu(cpuid) { hartid = cpuid_to_hartid_map(cpuid); irq_name = devm_kasprintf(ipc->dev, GFP_KERNEL, "hart-%lu", hartid); + if (!irq_name) + return -ENOMEM; ret = platform_get_irq_byname_optional(pdev, irq_name); if (ret <= 0) continue;