| commit | 0dad3a3014a0b9e72521ff44f17e0054f43dcdea | |
| author | Thomas Gleixner <tglx@linutronix.de> | |
| Mon, 26 Dec 2016 21:58:20 +0000 (26 22:58 +0100) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Tue, 27 Dec 2016 01:30:24 +0000 (26 17:30 -0800) | ||
| tree | 6122a01208f56efd2766697a265ba559cbbbb452 | treesnapshot (tar.gz zip) |
| parent | b9d9d6911bd5c370ad4b3aa57d758c093d17aed5 | commitdiff |
x86/mce/AMD: Make the init code more robust
If mce_device_init() fails then the mce device pointer is NULL and the
AMD mce code happily dereferences it.
Add a sanity check.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Reported-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If mce_device_init() fails then the mce device pointer is NULL and the
AMD mce code happily dereferences it.
Add a sanity check.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Reported-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| arch/x86/kernel/cpu/mcheck/mce_amd.c | diffblobblamehistory |