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uacce: use sysfs_emit instead of sprintf
Use the sysfs_emit to replace sprintf. sprintf may cause output defect in sysfs content, it is better to use new added sysfs_emit function which knows the size of the temporary buffer. Signed-off-by: Kai Ye <yekai13@huawei.com> Link: https://lore.kernel.org/r/20211206104724.11559-1-yekai13@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 6 additions and 6 deletions
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@ -289,7 +289,7 @@ static ssize_t api_show(struct device *dev,
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{
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struct uacce_device *uacce = to_uacce_device(dev);
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return sprintf(buf, "%s\n", uacce->api_ver);
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return sysfs_emit(buf, "%s\n", uacce->api_ver);
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}
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static ssize_t flags_show(struct device *dev,
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@ -297,7 +297,7 @@ static ssize_t flags_show(struct device *dev,
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{
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struct uacce_device *uacce = to_uacce_device(dev);
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return sprintf(buf, "%u\n", uacce->flags);
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return sysfs_emit(buf, "%u\n", uacce->flags);
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}
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static ssize_t available_instances_show(struct device *dev,
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@ -309,7 +309,7 @@ static ssize_t available_instances_show(struct device *dev,
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if (!uacce->ops->get_available_instances)
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return -ENODEV;
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return sprintf(buf, "%d\n",
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return sysfs_emit(buf, "%d\n",
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uacce->ops->get_available_instances(uacce));
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}
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@ -318,7 +318,7 @@ static ssize_t algorithms_show(struct device *dev,
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{
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struct uacce_device *uacce = to_uacce_device(dev);
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return sprintf(buf, "%s\n", uacce->algs);
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return sysfs_emit(buf, "%s\n", uacce->algs);
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}
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static ssize_t region_mmio_size_show(struct device *dev,
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@ -326,7 +326,7 @@ static ssize_t region_mmio_size_show(struct device *dev,
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{
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struct uacce_device *uacce = to_uacce_device(dev);
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return sprintf(buf, "%lu\n",
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return sysfs_emit(buf, "%lu\n",
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uacce->qf_pg_num[UACCE_QFRT_MMIO] << PAGE_SHIFT);
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}
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@ -335,7 +335,7 @@ static ssize_t region_dus_size_show(struct device *dev,
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{
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struct uacce_device *uacce = to_uacce_device(dev);
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return sprintf(buf, "%lu\n",
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return sysfs_emit(buf, "%lu\n",
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uacce->qf_pg_num[UACCE_QFRT_DUS] << PAGE_SHIFT);
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}
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