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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-16 22:28:34 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-16 22:28:34 -0500 |
| commit | 9526d9bc23f362035cfabf044aa90f4ed1787955 (patch) | |
| tree | 3c24639de58cfaebc9f2616750dedfdad4251c35 /drivers/xen/xenbus/xenbus_dev_frontend.c | |
| parent | d042f3135e5e3a0132942335dea0155ae86a7308 (diff) | |
| parent | 6929039761a3414e5c71448eb3dcc1d82fc1891d (diff) | |
Merge branch 'arch-arm64' into no-rebases
Diffstat (limited to 'drivers/xen/xenbus/xenbus_dev_frontend.c')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_dev_frontend.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 89f76252a16f..ac727028e658 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -458,7 +458,7 @@ static ssize_t xenbus_file_write(struct file *filp, goto out; /* Can't write a xenbus message larger we can buffer */ - if ((len + u->len) > sizeof(u->u.buffer)) { + if (len > sizeof(u->u.buffer) - u->len) { /* On error, dump existing buffer */ u->len = 0; rc = -EINVAL; |