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authorJason Gunthorpe <jgg@nvidia.com>2020-11-23 16:50:59 -0400
committerJason Gunthorpe <jgg@nvidia.com>2020-11-23 16:50:59 -0400
commited92f6a52b84c0c03ae9d829cf118c6e38e456fb (patch)
tree7b85d805aa96e8b89e8be80bd03c6e43b1e6db62 /kernel/reboot.c
parentdf0e4de29c75fab2d59b67b7542ea1e10d32c6e1 (diff)
parent418baf2c28f3473039f2f7377760bd8f6897ae18 (diff)
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Merge tag 'v5.10-rc5' into rdma.git for-next
For dependencies in following patches Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'kernel/reboot.c')
-rw-r--r--kernel/reboot.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/kernel/reboot.c b/kernel/reboot.c
index e7b78d5ae1ab..af6f23d8bea1 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -551,22 +551,22 @@ static int __init reboot_setup(char *str)
break;
case 's':
- {
- int rc;
-
- if (isdigit(*(str+1))) {
- rc = kstrtoint(str+1, 0, &reboot_cpu);
- if (rc)
- return rc;
- } else if (str[1] == 'm' && str[2] == 'p' &&
- isdigit(*(str+3))) {
- rc = kstrtoint(str+3, 0, &reboot_cpu);
- if (rc)
- return rc;
- } else
+ if (isdigit(*(str+1)))
+ reboot_cpu = simple_strtoul(str+1, NULL, 0);
+ else if (str[1] == 'm' && str[2] == 'p' &&
+ isdigit(*(str+3)))
+ reboot_cpu = simple_strtoul(str+3, NULL, 0);
+ else
*mode = REBOOT_SOFT;
+ if (reboot_cpu >= num_possible_cpus()) {
+ pr_err("Ignoring the CPU number in reboot= option. "
+ "CPU %d exceeds possible cpu number %d\n",
+ reboot_cpu, num_possible_cpus());
+ reboot_cpu = 0;
+ break;
+ }
break;
- }
+
case 'g':
*mode = REBOOT_GPIO;
break;