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[PATCH] x86-64: Print type and size correctly for unknown compat ioctls

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Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Andi Kleen
2007-05-02 19:27:21 +02:00
committed by Andi Kleen
parent c812d6c198
commit a106009bdf
1 changed files with 3 additions and 2 deletions
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5
fs/compat.c
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@@ -371,13 +371,14 @@ static void compat_ioctl_error(struct file *filp, unsigned int fd,
fn = "?"; fn = "?";
} }
sprintf(buf,"'%c'", (cmd>>24) & 0x3f); sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK);
if (!isprint(buf[1])) if (!isprint(buf[1]))
sprintf(buf, "%02x", buf[1]); sprintf(buf, "%02x", buf[1]);
compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " 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, current->comm, current->pid,
(int)fd, (unsigned int)cmd, buf, (int)fd, (unsigned int)cmd, buf,
(cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK,
(unsigned int)arg, fn); (unsigned int)arg, fn);
if (path) if (path)