From a106009bdfa12b6452b724cc0718ca8e1334745d Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 2 May 2007 19:27:21 +0200 Subject: [PATCH] x86-64: Print type and size correctly for unknown compat ioctls Signed-off-by: Andi Kleen --- fs/compat.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'fs/compat.c') diff --git a/fs/compat.c b/fs/compat.c index 040a8be..72e5e69 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -371,13 +371,14 @@ static void compat_ioctl_error(struct file *filp, unsigned int fd, fn = "?"; } - sprintf(buf,"'%c'", (cmd>>24) & 0x3f); + sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK); if (!isprint(buf[1])) sprintf(buf, "%02x", buf[1]); compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " - "cmd(%08x){%s} arg(%08x) on %s\n", + "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n", current->comm, current->pid, (int)fd, (unsigned int)cmd, buf, + (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK, (unsigned int)arg, fn); if (path) -- cgit v1.1