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* [PATCH] staging: fbtft: Use sysfs_emit for show(device *...) functions
@ 2020-10-18 18:41 Deepak R Varma
  0 siblings, 0 replies; only message in thread
From: Deepak R Varma @ 2020-10-18 18:41 UTC (permalink / raw)
  To: outreachy-kernel, Greg Kroah-Hartman; +Cc: mh12gx2825

Convert snprintf calls in device show functions to sysfs_emit for
PAGE_SIZE buffer safety.
Warning generated by: scripts/coccinelle/api/device_attr_show.cocci

Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
---
 drivers/staging/fbtft/fbtft-sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/fbtft/fbtft-sysfs.c b/drivers/staging/fbtft/fbtft-sysfs.c
index 26e52cc2de64..39e8d28066cb 100644
--- a/drivers/staging/fbtft/fbtft-sysfs.c
+++ b/drivers/staging/fbtft/fbtft-sysfs.c
@@ -199,7 +199,7 @@ static ssize_t show_debug(struct device *device,
 	struct fb_info *fb_info = dev_get_drvdata(device);
 	struct fbtft_par *par = fb_info->par;
 
-	return snprintf(buf, PAGE_SIZE, "%lu\n", par->debug);
+	return sysfs_emit(buf, "%lu\n", par->debug);
 }
 
 static struct device_attribute debug_device_attr =
-- 
2.25.1



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2020-10-18 18:41 [PATCH] staging: fbtft: Use sysfs_emit for show(device *...) functions Deepak R Varma

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