diff options
| author | Jan Beulich <jbeulich@suse.com> | 2021-09-07 14:04:25 +0200 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2021-09-15 08:42:04 +0200 |
| commit | ce6a80d1b2f923b1839655a1cda786293feaa085 (patch) | |
| tree | a021d2ff413df93a31f6296dcdefaa0f05dfb506 /drivers/xen/swiotlb-xen.c | |
| parent | xen/pvcalls: backend can be a module (diff) | |
| download | linux-ce6a80d1b2f923b1839655a1cda786293feaa085.tar.xz linux-ce6a80d1b2f923b1839655a1cda786293feaa085.zip | |
swiotlb-xen: avoid double free
Of the two paths leading to the "error" label in xen_swiotlb_init() one
didn't allocate anything, while the other did already free what was
allocated.
Fixes: b82776005369 ("xen/swiotlb: Use the swiotlb_late_init_with_tbl to init Xen-SWIOTLB late when PV PCI is used")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: stable@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/ce9c2adb-8a52-6293-982a-0d6ece943ac6@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 24d11861ac7d..99d518526eaf 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -216,7 +216,6 @@ error: goto retry; } pr_err("%s (rc:%d)\n", xen_swiotlb_error(m_ret), rc); - free_pages((unsigned long)start, order); return rc; } |