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| author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 13:30:20 +0200 |
|---|---|---|
| committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 13:30:20 +0200 |
| commit | e7549b926dd3ceec048f5689df90d4ec970c9419 (patch) | |
| tree | c8645e0b4343c309aac1a3838a17cfcf0893d7b5 /drivers/s390/char/sclp_async.c | |
| parent | 499ba610c2829adafbf393c2f3773d73ae4445f3 (diff) | |
| download | kernel_samsung_smdk4412-e7549b926dd3ceec048f5689df90d4ec970c9419.zip kernel_samsung_smdk4412-e7549b926dd3ceec048f5689df90d4ec970c9419.tar.gz kernel_samsung_smdk4412-e7549b926dd3ceec048f5689df90d4ec970c9419.tar.bz2 | |
more driver stuff from 3.2.72
Diffstat (limited to 'drivers/s390/char/sclp_async.c')
| -rw-r--r-- | drivers/s390/char/sclp_async.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c index 7ad30e7..5f9f929 100644 --- a/drivers/s390/char/sclp_async.c +++ b/drivers/s390/char/sclp_async.c @@ -82,12 +82,9 @@ static int proc_handler_callhome(struct ctl_table *ctl, int write, return -EFAULT; } else { len = *count; - rc = copy_from_user(buf, buffer, sizeof(buf)); - if (rc != 0) - return -EFAULT; - buf[sizeof(buf) - 1] = '\0'; - if (strict_strtoul(buf, 0, &val) != 0) - return -EINVAL; + rc = kstrtoul_from_user(buffer, len, 0, &val); + if (rc) + return rc; if (val != 0 && val != 1) return -EINVAL; callhome_enabled = val; |