This allows the compiler to keep the pointer in a register and prepares for making the struct field "const". Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx> --- drivers/counter/counter-sysfs.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/counter/counter-sysfs.c b/drivers/counter/counter-sysfs.c index 42c523343d32..47e1e2c61cf0 100644 --- a/drivers/counter/counter-sysfs.c +++ b/drivers/counter/counter-sysfs.c @@ -1122,6 +1122,7 @@ int counter_sysfs_add(struct counter_device *const counter) struct counter_attribute_group *cattr_groups; size_t i, j; int err; + const struct attribute_group **dev_groups; struct attribute_group *groups; struct counter_attribute *p; @@ -1141,9 +1142,9 @@ int counter_sysfs_add(struct counter_device *const counter) return err; /* Allocate attribute group pointers for association with device */ - dev->groups = devm_kcalloc(dev, num_groups + 1, sizeof(*dev->groups), + dev->groups = dev_groups = devm_kcalloc(dev, num_groups + 1, sizeof(*dev_groups), GFP_KERNEL); - if (!dev->groups) + if (!dev_groups) return -ENOMEM; /* Allocate space for attribute groups */ @@ -1169,7 +1170,7 @@ int counter_sysfs_add(struct counter_device *const counter) groups[i].attrs[j++] = &p->dev_attr.attr; /* Associate attribute group */ - dev->groups[i] = &groups[i]; + dev_groups[i] = &groups[i]; } return 0; -- 2.39.2
