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| author | Sage Weil <sage@newdream.net> | 2010-07-08 10:47:16 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-07-08 16:49:53 -0700 |
| commit | d06dbaf6c2c7187938f3f6745d9e4938a2d0ec47 (patch) | |
| tree | 472cfd72bcc15d7a7323a58a8698bab6ec7f33f1 | |
| parent | b0bbb0be8f7fbf6d366b359e034c78a96c4e274d (diff) | |
| download | linux-d06dbaf6c2c7187938f3f6745d9e4938a2d0ec47.tar.gz linux-d06dbaf6c2c7187938f3f6745d9e4938a2d0ec47.tar.bz2 linux-d06dbaf6c2c7187938f3f6745d9e4938a2d0ec47.zip | |
ceph: fix printing of ipv6 addrs
The buffer was too small. Make it bigger, use snprintf(), put brackets
around the ipv6 address to avoid mixing it up with the :port, and use the
ever-so-handy %pI[46] formats.
Signed-off-by: Sage Weil <sage@newdream.net>
| -rw-r--r-- | fs/ceph/messenger.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c index 9692d08e2f88..e8c5a2d0e88f 100644 --- a/fs/ceph/messenger.c +++ b/fs/ceph/messenger.c @@ -43,7 +43,8 @@ static void ceph_fault(struct ceph_connection *con); * nicely render a sockaddr as a string. */ #define MAX_ADDR_STR 20 -static char addr_str[MAX_ADDR_STR][40]; +#define MAX_ADDR_STR_LEN 60 +static char addr_str[MAX_ADDR_STR][MAX_ADDR_STR_LEN]; static DEFINE_SPINLOCK(addr_str_lock); static int last_addr_str; @@ -52,7 +53,6 @@ const char *pr_addr(const struct sockaddr_storage *ss) int i; char *s; struct sockaddr_in *in4 = (void *)ss; - unsigned char *quad = (void *)&in4->sin_addr.s_addr; struct sockaddr_in6 *in6 = (void *)ss; spin_lock(&addr_str_lock); @@ -64,25 +64,13 @@ const char *pr_addr(const struct sockaddr_storage *ss) switch (ss->ss_family) { case AF_INET: - sprintf(s, "%u.%u.%u.%u:%u", - (unsigned int)quad[0], - (unsigned int)quad[1], - (unsigned int)quad[2], - (unsigned int)quad[3], - (unsigned int)ntohs(in4->sin_port)); + snprintf(s, MAX_ADDR_STR_LEN, "%pI4:%u", &in4->sin_addr, + (unsigned int)ntohs(in4->sin_port)); break; case AF_INET6: - sprintf(s, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%u", - in6->sin6_addr.s6_addr16[0], - in6->sin6_addr.s6_addr16[1], - in6->sin6_addr.s6_addr16[2], - in6->sin6_addr.s6_addr16[3], - in6->sin6_addr.s6_addr16[4], - in6->sin6_addr.s6_addr16[5], - in6->sin6_addr.s6_addr16[6], - in6->sin6_addr.s6_addr16[7], - (unsigned int)ntohs(in6->sin6_port)); + snprintf(s, MAX_ADDR_STR_LEN, "[%pI6c]:%u", &in6->sin6_addr, + (unsigned int)ntohs(in6->sin6_port)); break; default: |