diff options
| author | David S. Miller <davem@davemloft.net> | 2012-11-10 18:32:51 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-10 18:32:51 -0500 |
| commit | d4185bbf62a5d8d777ee445db1581beb17882a07 (patch) | |
| tree | 024b0badbd7c970b1983be6d8c345cc4a290cb31 /kernel/sys.c | |
| parent | c075b13098b399dc565b4d53f42047a8d40ed3ba (diff) | |
| parent | a375413311b39005ef281bfd71ae8f4e3df22e97 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
Minor conflict between the BCM_CNIC define removal in net-next
and a bug fix added to net. Based upon a conflict resolution
patch posted by Stephen Rothwell.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index c5cb5b99cb8..e6e0ece5f6a 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1265,15 +1265,16 @@ DECLARE_RWSEM(uts_sem); * Work around broken programs that cannot handle "Linux 3.0". * Instead we map 3.x to 2.6.40+x, so e.g. 3.0 would be 2.6.40 */ -static int override_release(char __user *release, int len) +static int override_release(char __user *release, size_t len) { int ret = 0; - char buf[65]; if (current->personality & UNAME26) { - char *rest = UTS_RELEASE; + const char *rest = UTS_RELEASE; + char buf[65] = { 0 }; int ndots = 0; unsigned v; + size_t copy; while (*rest) { if (*rest == '.' && ++ndots >= 3) @@ -1283,8 +1284,9 @@ static int override_release(char __user *release, int len) rest++; } v = ((LINUX_VERSION_CODE >> 8) & 0xff) + 40; - snprintf(buf, len, "2.6.%u%s", v, rest); - ret = copy_to_user(release, buf, len); + copy = clamp_t(size_t, len, 1, sizeof(buf)); + copy = scnprintf(buf, copy, "2.6.%u%s", v, rest); + ret = copy_to_user(release, buf, copy + 1); } return ret; } |