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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-21 10:48:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-21 10:48:31 +0300 |
| commit | 03e3e31ee5c8d45c62c31035578bab5e90133eff (patch) | |
| tree | 5cff3fda5bb8278621c27823f52b7e8dd85fb0ef /drivers/xen/swiotlb-xen.c | |
| parent | 3ce3e45cc333da707d4d6eb433574b990bcc26f5 (diff) | |
| parent | 50f09a3dd5877bda888fc25c3d98937dcfb85539 (diff) | |
| download | linux-03e3e31ee5c8d45c62c31035578bab5e90133eff.tar.xz | |
Merge 50f09a3dd587 ("Merge tag 'char-misc-5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc") into char-misc-next
We want the char/misc driver fixes in here as well
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 4c89afc0df62..24d11861ac7d 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -164,6 +164,11 @@ int __ref xen_swiotlb_init(void) int rc = -ENOMEM; char *start; + if (io_tlb_default_mem != NULL) { + pr_warn("swiotlb buffer already initialized\n"); + return -EEXIST; + } + retry: m_ret = XEN_SWIOTLB_ENOMEM; order = get_order(bytes); |