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usbip: vudc: Convert snprintf() to sysfs_emit()

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Coccinnelle reports a warning
Warning: Use scnprintf or sprintf

Following the advice on kernel documentation
https://www.kernel.org/doc/html/latest/filesystems/sysfs.html

For show(device *...) functions we should only use sysfs_emit() or sysfs_emit_at()
especially when formatting the value to be returned to user space.
Convert snprintf() to sysfs_emit()

Signed-off-by: Jules Irenge <jules.irenge@postgrad.manchester.ac.uk>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/YzhVIaNGdM33pcts@octinomon
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jules Irenge 2022-10-01 15:56:33 +01:00 committed by Greg Kroah-Hartman
parent 375ac0b2c1
commit 13cc02f115
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/usbip/vudc_sysfs.c
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@ -242,7 +242,7 @@ static ssize_t usbip_status_show(struct device *dev,
status = udc->ud.status; status = udc->ud.status;
spin_unlock_irq(&udc->ud.lock); spin_unlock_irq(&udc->ud.lock);
return snprintf(out, PAGE_SIZE, "%d\n", status); return sysfs_emit(out, "%d\n", status);
} }
static DEVICE_ATTR_RO(usbip_status); static DEVICE_ATTR_RO(usbip_status);