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drm/panel: dsi-cm: replace snprintf in show functions with sysfs_emit
show() must not use snprintf() when formatting the value to be returned to user space. Fix the following coccicheck warning: drivers/gpu/drm/panel/panel-dsi-cm.c:251: WARNING: use scnprintf or sprintf. drivers/gpu/drm/panel/panel-dsi-cm.c:271: WARNING: use scnprintf or sprintf. Use sysfs_emit instead of scnprintf or sprintf makes more sense. Signed-off-by: Qing Wang <wangqing@vivo.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/1634280490-4429-1-git-send-email-wangqing@vivo.com
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@ -248,7 +248,7 @@ static ssize_t num_dsi_errors_show(struct device *dev,
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if (r)
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return r;
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return snprintf(buf, PAGE_SIZE, "%d\n", errors);
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return sysfs_emit(buf, "%d\n", errors);
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}
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static ssize_t hw_revision_show(struct device *dev,
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@ -268,7 +268,7 @@ static ssize_t hw_revision_show(struct device *dev,
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if (r)
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return r;
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return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x\n", id1, id2, id3);
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return sysfs_emit(buf, "%02x.%02x.%02x\n", id1, id2, id3);
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}
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static DEVICE_ATTR_RO(num_dsi_errors);
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