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path: root/drivers/block/zram/zram_drv.c
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Diffstat (limited to 'drivers/block/zram/zram_drv.c')
-rw-r--r--drivers/block/zram/zram_drv.c32
1 files changed, 6 insertions, 26 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index e7a5f1d1c314..399cad7daae7 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -290,18 +290,8 @@ static ssize_t idle_store(struct device *dev,
struct zram *zram = dev_to_zram(dev);
unsigned long nr_pages = zram->disksize >> PAGE_SHIFT;
int index;
- char mode_buf[8];
- ssize_t sz;
- sz = strscpy(mode_buf, buf, sizeof(mode_buf));
- if (sz <= 0)
- return -EINVAL;
-
- /* ignore trailing new line */
- if (mode_buf[sz - 1] == '\n')
- mode_buf[sz - 1] = 0x00;
-
- if (strcmp(mode_buf, "all"))
+ if (!sysfs_streq(buf, "all"))
return -EINVAL;
down_read(&zram->init_lock);
@@ -635,25 +625,15 @@ static ssize_t writeback_store(struct device *dev,
struct bio bio;
struct bio_vec bio_vec;
struct page *page;
- ssize_t ret, sz;
- char mode_buf[8];
- int mode = -1;
+ ssize_t ret;
+ int mode;
unsigned long blk_idx = 0;
- sz = strscpy(mode_buf, buf, sizeof(mode_buf));
- if (sz <= 0)
- return -EINVAL;
-
- /* ignore trailing newline */
- if (mode_buf[sz - 1] == '\n')
- mode_buf[sz - 1] = 0x00;
-
- if (!strcmp(mode_buf, "idle"))
+ if (sysfs_streq(buf, "idle"))
mode = IDLE_WRITEBACK;
- else if (!strcmp(mode_buf, "huge"))
+ else if (sysfs_streq(buf, "huge"))
mode = HUGE_WRITEBACK;
-
- if (mode == -1)
+ else
return -EINVAL;
down_read(&zram->init_lock);