Hi, On 10/22/21 11:07, cgel.zte@xxxxxxxxx wrote: > From: Ye Guojin <ye.guojin@xxxxxxxxxx> > > coccicheck complains about the use of snprintf() in sysfs show > functions: > WARNING use scnprintf or sprintf > > Use sysfs_emit instead of scnprintf or sprintf makes more sense. > > Reported-by: Zeal Robot <zealci@xxxxxxxxxx> > Signed-off-by: Ye Guojin <ye.guojin@xxxxxxxxxx> Thank you for your patch, I've applied this patch to my review-hans branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans Note it will show up in my review-hans branch once I've pushed my local branch there, which might take a while. Once I've run some tests on this branch the patches there will be added to the platform-drivers-x86/for-next branch and eventually will be included in the pdx86 pull-request to Linus for the next merge-window. Regards, Hans > --- > drivers/platform/x86/lg-laptop.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c > index 7e9351c36389..ae9293024c77 100644 > --- a/drivers/platform/x86/lg-laptop.c > +++ b/drivers/platform/x86/lg-laptop.c > @@ -330,7 +330,7 @@ static ssize_t fan_mode_show(struct device *dev, > status = r->integer.value & 0x01; > kfree(r); > > - return snprintf(buffer, PAGE_SIZE, "%d\n", status); > + return sysfs_emit(buffer, "%d\n", status); > } > > static ssize_t usb_charge_store(struct device *dev, > @@ -372,7 +372,7 @@ static ssize_t usb_charge_show(struct device *dev, > > kfree(r); > > - return snprintf(buffer, PAGE_SIZE, "%d\n", status); > + return sysfs_emit(buffer, "%d\n", status); > } > > static ssize_t reader_mode_store(struct device *dev, > @@ -414,7 +414,7 @@ static ssize_t reader_mode_show(struct device *dev, > > kfree(r); > > - return snprintf(buffer, PAGE_SIZE, "%d\n", status); > + return sysfs_emit(buffer, "%d\n", status); > } > > static ssize_t fn_lock_store(struct device *dev, > @@ -455,7 +455,7 @@ static ssize_t fn_lock_show(struct device *dev, > status = !!r->buffer.pointer[0]; > kfree(r); > > - return snprintf(buffer, PAGE_SIZE, "%d\n", status); > + return sysfs_emit(buffer, "%d\n", status); > } > > static ssize_t battery_care_limit_store(struct device *dev, > @@ -520,7 +520,7 @@ static ssize_t battery_care_limit_show(struct device *dev, > if (status != 80 && status != 100) > status = 0; > > - return snprintf(buffer, PAGE_SIZE, "%d\n", status); > + return sysfs_emit(buffer, "%d\n", status); > } > > static DEVICE_ATTR_RW(fan_mode); >