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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-11 10:47:41 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-11 10:47:41 +0300 |
| commit | 2fc10246766fce0b560f015e1c0b6ff29fb4ced0 (patch) | |
| tree | 0510322a0d3a8171afb1e06a7ce809f023578825 /drivers/xen/pvcalls-front.c | |
| parent | 05eec0c931a63d8709009e3ac6a083072666fa0f (diff) | |
| parent | 50c4c4e268a2d7a3e58ebb698ac74da0de40ae36 (diff) | |
| download | linux-2fc10246766fce0b560f015e1c0b6ff29fb4ced0.tar.xz | |
Merge 4.15-rc3 into char-misc-next
We want the fixes and changes in here for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/xen/pvcalls-front.c')
| -rw-r--r-- | drivers/xen/pvcalls-front.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 40caa92bff33..d1e1d8d2b9d5 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -1103,7 +1103,7 @@ static int pvcalls_front_remove(struct xenbus_device *dev) kfree(map); } } - if (bedata->ref >= 0) + if (bedata->ref != -1) gnttab_end_foreign_access(bedata->ref, 0, 0); kfree(bedata->ring.sring); kfree(bedata); @@ -1128,6 +1128,8 @@ static int pvcalls_front_probe(struct xenbus_device *dev, } versions = xenbus_read(XBT_NIL, dev->otherend, "versions", &len); + if (IS_ERR(versions)) + return PTR_ERR(versions); if (!len) return -EINVAL; if (strcmp(versions, "1")) { |