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Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-sysparam.c')
-rw-r--r--arch/powerpc/platforms/powernv/opal-sysparam.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-sysparam.c b/arch/powerpc/platforms/powernv/opal-sysparam.c
index c59e77a84721..d202f9bc3683 100644
--- a/arch/powerpc/platforms/powernv/opal-sysparam.c
+++ b/arch/powerpc/platforms/powernv/opal-sysparam.c
@@ -241,6 +241,12 @@ void __init opal_sys_param_init(void)
/* For each of the parameters, populate the parameter attributes */
for (i = 0; i < count; i++) {
+ if (size[i] > MAX_PARAM_DATA_LEN) {
+ pr_warn("SYSPARAM: Not creating parameter %d as size "
+ "exceeds buffer length\n", i);
+ continue;
+ }
+
sysfs_attr_init(&attr[i].kobj_attr.attr);
attr[i].param_id = id[i];
attr[i].param_size = size[i];