nvmem: core: drop unnecessary range checks in sysfs callbacks

The same checks have already been done in sysfs_kf_bin_write() and
sysfs_kf_bin_read() just before the callbacks are invoked.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240705074852.423202-12-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh 2024-07-05 08:48:48 +01:00 committed by Greg Kroah-Hartman
parent 6839fed062
commit 588773802c

View File

@ -203,19 +203,12 @@ static ssize_t bin_attr_nvmem_read(struct file *filp, struct kobject *kobj,
dev = kobj_to_dev(kobj);
nvmem = to_nvmem_device(dev);
/* Stop the user from reading */
if (pos >= nvmem->size)
return 0;
if (!IS_ALIGNED(pos, nvmem->stride))
return -EINVAL;
if (count < nvmem->word_size)
return -EINVAL;
if (pos + count > nvmem->size)
count = nvmem->size - pos;
count = round_down(count, nvmem->word_size);
if (!nvmem->reg_read)
@ -243,19 +236,12 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj,
dev = kobj_to_dev(kobj);
nvmem = to_nvmem_device(dev);
/* Stop the user from writing */
if (pos >= nvmem->size)
return -EFBIG;
if (!IS_ALIGNED(pos, nvmem->stride))
return -EINVAL;
if (count < nvmem->word_size)
return -EINVAL;
if (pos + count > nvmem->size)
count = nvmem->size - pos;
count = round_down(count, nvmem->word_size);
if (!nvmem->reg_write)