On Thu, Aug 25, 2016 at 2:44 AM, Shaun Tancheff <[email protected]> wrote: > On Wed, Aug 24, 2016 at 11:10 AM, Robert LeBlanc <[email protected]> wrote: >> Linux allows for 32 character device names. When using the maximum size >> device name and also >> storing "/dev/", devname needs to be 37 character long to store the complete >> device name. >> i.e. "/dev/md_abcdefghijklmnopqrstuvwxyz12\0" >> >> Signed-Off: Robert LeBlanc<[email protected]> >> --- >> mdopen.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/mdopen.c b/mdopen.c >> index f818fdf..5af344b 100644 >> --- a/mdopen.c >> +++ b/mdopen.c >> @@ -144,7 +144,7 @@ int create_mddev(char *dev, char *name, int autof, int >> trustworthy, >> struct createinfo *ci = conf_get_create_info(); >> int parts; >> char *cname; >> - char devname[20]; >> + char devname[37]; > > I think you want 38 here. > 5 + 32 + '\0'.
>> char devnm[32]; Ah sorry, that 32 was including the null already implied by devnm. Looks fine. >> char cbuf[400]; >> if (chosen == NULL) >> -- >> 2.9.3 >> > > Also a sprintf() to snprintf() cleanup might not be a bad idea .. > -- > Shaun Tancheff -- Shaun Tancheff -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
