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Date: Sun, 7 Feb 2021 15:52:07 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: miquel.raynal@...tlin.com
Cc: richard@....at, vigneshr@...com, linux-mtd@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH v2] mtd: convert sysfs sprintf/snprintf family to sysfs_emit
Fix the following coccicheck warning:
convert sysfs snprintf family to sysfs_emit in 'mtdcore.c'.
Reported-by: Abaci Robot<abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
Changes in v2:
- Adjust the description of the modified content.
drivers/mtd/mtdcore.c | 35 +++++++++++++++++------------------
1 file changed, 17 insertions(+), 18 deletions(-)
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 2d6423d..c37056e 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -131,7 +131,7 @@ static ssize_t mtd_type_show(struct device *dev,
type = "unknown";
}
- return snprintf(buf, PAGE_SIZE, "%s\n", type);
+ return sysfs_emit(buf, "%s\n", type);
}
static DEVICE_ATTR(type, S_IRUGO, mtd_type_show, NULL);
@@ -140,7 +140,7 @@ static ssize_t mtd_flags_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "0x%lx\n", (unsigned long)mtd->flags);
+ return sysfs_emit(buf, "0x%lx\n", (unsigned long)mtd->flags);
}
static DEVICE_ATTR(flags, S_IRUGO, mtd_flags_show, NULL);
@@ -149,8 +149,7 @@ static ssize_t mtd_size_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%llu\n",
- (unsigned long long)mtd->size);
+ return sysfs_emit(buf, "%llu\n", (unsigned long long)mtd->size);
}
static DEVICE_ATTR(size, S_IRUGO, mtd_size_show, NULL);
@@ -159,7 +158,7 @@ static ssize_t mtd_erasesize_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->erasesize);
+ return sysfs_emit(buf, "%lu\n", (unsigned long)mtd->erasesize);
}
static DEVICE_ATTR(erasesize, S_IRUGO, mtd_erasesize_show, NULL);
@@ -168,7 +167,7 @@ static ssize_t mtd_writesize_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->writesize);
+ return sysfs_emit(buf, "%lu\n", (unsigned long)mtd->writesize);
}
static DEVICE_ATTR(writesize, S_IRUGO, mtd_writesize_show, NULL);
@@ -178,7 +177,7 @@ static ssize_t mtd_subpagesize_show(struct device *dev,
struct mtd_info *mtd = dev_get_drvdata(dev);
unsigned int subpagesize = mtd->writesize >> mtd->subpage_sft;
- return snprintf(buf, PAGE_SIZE, "%u\n", subpagesize);
+ return sysfs_emit(buf, "%u\n", subpagesize);
}
static DEVICE_ATTR(subpagesize, S_IRUGO, mtd_subpagesize_show, NULL);
@@ -187,7 +186,7 @@ static ssize_t mtd_oobsize_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->oobsize);
+ return sysfs_emit(buf, "%lu\n", (unsigned long)mtd->oobsize);
}
static DEVICE_ATTR(oobsize, S_IRUGO, mtd_oobsize_show, NULL);
@@ -196,7 +195,7 @@ static ssize_t mtd_oobavail_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%u\n", mtd->oobavail);
+ return sysfs_emit(buf, "%u\n", mtd->oobavail);
}
static DEVICE_ATTR(oobavail, S_IRUGO, mtd_oobavail_show, NULL);
@@ -205,7 +204,7 @@ static ssize_t mtd_numeraseregions_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%u\n", mtd->numeraseregions);
+ return sysfs_emit(buf, "%u\n", mtd->numeraseregions);
}
static DEVICE_ATTR(numeraseregions, S_IRUGO, mtd_numeraseregions_show,
NULL);
@@ -215,7 +214,7 @@ static ssize_t mtd_name_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%s\n", mtd->name);
+ return sysfs_emit(buf, "%s\n", mtd->name);
}
static DEVICE_ATTR(name, S_IRUGO, mtd_name_show, NULL);
@@ -224,7 +223,7 @@ static ssize_t mtd_ecc_strength_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%u\n", mtd->ecc_strength);
+ return sysfs_emit(buf, "%u\n", mtd->ecc_strength);
}
static DEVICE_ATTR(ecc_strength, S_IRUGO, mtd_ecc_strength_show, NULL);
@@ -234,7 +233,7 @@ static ssize_t mtd_bitflip_threshold_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%u\n", mtd->bitflip_threshold);
+ return sysfs_emit(buf, "%u\n", mtd->bitflip_threshold);
}
static ssize_t mtd_bitflip_threshold_store(struct device *dev,
@@ -261,7 +260,7 @@ static ssize_t mtd_ecc_step_size_show(struct device *dev,
{
struct mtd_info *mtd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%u\n", mtd->ecc_step_size);
+ return sysfs_emit(buf, "%u\n", mtd->ecc_step_size);
}
static DEVICE_ATTR(ecc_step_size, S_IRUGO, mtd_ecc_step_size_show, NULL);
@@ -272,7 +271,7 @@ static ssize_t mtd_ecc_stats_corrected_show(struct device *dev,
struct mtd_info *mtd = dev_get_drvdata(dev);
struct mtd_ecc_stats *ecc_stats = &mtd->ecc_stats;
- return snprintf(buf, PAGE_SIZE, "%u\n", ecc_stats->corrected);
+ return sysfs_emit(buf, "%u\n", ecc_stats->corrected);
}
static DEVICE_ATTR(corrected_bits, S_IRUGO,
mtd_ecc_stats_corrected_show, NULL);
@@ -283,7 +282,7 @@ static ssize_t mtd_ecc_stats_errors_show(struct device *dev,
struct mtd_info *mtd = dev_get_drvdata(dev);
struct mtd_ecc_stats *ecc_stats = &mtd->ecc_stats;
- return snprintf(buf, PAGE_SIZE, "%u\n", ecc_stats->failed);
+ return sysfs_emit(buf, "%u\n", ecc_stats->failed);
}
static DEVICE_ATTR(ecc_failures, S_IRUGO, mtd_ecc_stats_errors_show, NULL);
@@ -293,7 +292,7 @@ static ssize_t mtd_badblocks_show(struct device *dev,
struct mtd_info *mtd = dev_get_drvdata(dev);
struct mtd_ecc_stats *ecc_stats = &mtd->ecc_stats;
- return snprintf(buf, PAGE_SIZE, "%u\n", ecc_stats->badblocks);
+ return sysfs_emit(buf, "%u\n", ecc_stats->badblocks);
}
static DEVICE_ATTR(bad_blocks, S_IRUGO, mtd_badblocks_show, NULL);
@@ -303,7 +302,7 @@ static ssize_t mtd_bbtblocks_show(struct device *dev,
struct mtd_info *mtd = dev_get_drvdata(dev);
struct mtd_ecc_stats *ecc_stats = &mtd->ecc_stats;
- return snprintf(buf, PAGE_SIZE, "%u\n", ecc_stats->bbtblocks);
+ return sysfs_emit(buf, "%u\n", ecc_stats->bbtblocks);
}
static DEVICE_ATTR(bbt_blocks, S_IRUGO, mtd_bbtblocks_show, NULL);
--
1.8.3.1
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