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| author |   Borislav Petkov <bp@suse.de> | 2014-02-03 15:05:13 -0500 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2014-02-14 10:40:29 +0100 |
| commit | 9da21b1509d8aa7ab4846722817d16c72d656c91 (patch) | |
| tree | e21027dab66b50e1f21e3dd9b62846f7473bda8a /drivers/edac/edac_mc_sysfs.c | |
| parent | Merge tag 'stable/for-linus-3.14-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip (diff) | |
| download | linux-dev-9da21b1509d8aa7ab4846722817d16c72d656c91.tar.xz linux-dev-9da21b1509d8aa7ab4846722817d16c72d656c91.zip | |
EDAC: Poll timeout cannot be zero, p2
Sanitize code even more to accept unsigned longs only and to not allow
polling intervals below 1 second as this is unnecessary and doesn't make
much sense anyway for polling errors.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1391457913-881-1-git-send-email-prarit@redhat.com
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: <stable@vger.kernel.org>
Diffstat (limited to 'drivers/edac/edac_mc_sysfs.c')
| -rw-r--r-- | drivers/edac/edac_mc_sysfs.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 8ec1747b1c39..b335c6ab5efe 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -52,18 +52,20 @@ int edac_mc_get_poll_msec(void) static int edac_set_poll_msec(const char *val, struct kernel_param *kp) { - long l; + unsigned long l; int ret; if (!val) return -EINVAL; - ret = kstrtol(val, 0, &l); + ret = kstrtoul(val, 0, &l); if (ret) return ret; - if (!l || ((int)l != l)) + + if (l < 1000) return -EINVAL; - *((int *)kp->arg) = l; + + *((unsigned long *)kp->arg) = l; /* notify edac_mc engine to reset the poll period */ edac_mc_reset_delay_period(l); |