diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2020-12-14 19:15:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-15 12:13:47 -0800 |
| commit | dfefd226b0bf7c435a58d75a0ce2f9273b9825f6 (patch) | |
| tree | b1e67e77d999feab9070ef8952c169958a3b4fdb /mm/ksm.c | |
| parent | 01359eb2013b4b1e87b22db0f532c2e0b7aee001 (diff) | |
| download | linux-dfefd226b0bf7c435a58d75a0ce2f9273b9825f6.tar.bz2 | |
mm: cleanup kstrto*() usage
Range checks can folded into proper conversion function. kstrto*() exist
for all arithmetic types.
Link: https://lkml.kernel.org/r/20201122123759.GC92364@localhost.localdomain
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/ksm.c')
| -rw-r--r-- | mm/ksm.c | 18 |
1 files changed, 9 insertions, 9 deletions
@@ -2840,11 +2840,11 @@ static ssize_t sleep_millisecs_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { - unsigned long msecs; + unsigned int msecs; int err; - err = kstrtoul(buf, 10, &msecs); - if (err || msecs > UINT_MAX) + err = kstrtouint(buf, 10, &msecs); + if (err) return -EINVAL; ksm_thread_sleep_millisecs = msecs; @@ -2864,11 +2864,11 @@ static ssize_t pages_to_scan_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { + unsigned int nr_pages; int err; - unsigned long nr_pages; - err = kstrtoul(buf, 10, &nr_pages); - if (err || nr_pages > UINT_MAX) + err = kstrtouint(buf, 10, &nr_pages); + if (err) return -EINVAL; ksm_thread_pages_to_scan = nr_pages; @@ -2886,11 +2886,11 @@ static ssize_t run_show(struct kobject *kobj, struct kobj_attribute *attr, static ssize_t run_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { + unsigned int flags; int err; - unsigned long flags; - err = kstrtoul(buf, 10, &flags); - if (err || flags > UINT_MAX) + err = kstrtouint(buf, 10, &flags); + if (err) return -EINVAL; if (flags > KSM_RUN_UNMERGE) return -EINVAL; |