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| author | Julien Grall <jgrall@amazon.com> | 2022-06-17 11:30:37 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2022-06-21 16:36:11 +0200 |
| commit | ecb6237fa397b7b810d798ad19322eca466dbab1 (patch) | |
| tree | ac1a1ed213bc53aacff2846986aefbbffba72958 /drivers/xen | |
| parent | f9710c357e5bbf64d7ce45ba0bc75a52222491c1 (diff) | |
| download | linux-ecb6237fa397b7b810d798ad19322eca466dbab1.tar.gz linux-ecb6237fa397b7b810d798ad19322eca466dbab1.tar.bz2 linux-ecb6237fa397b7b810d798ad19322eca466dbab1.zip | |
x86/xen: Remove undefined behavior in setup_features()
1 << 31 is undefined. So switch to 1U << 31.
Fixes: 5ead97c84fa7 ("xen: Core Xen implementation")
Signed-off-by: Julien Grall <jgrall@amazon.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20220617103037.57828-1-julien@xen.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/features.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/features.c b/drivers/xen/features.c index 7b591443833c..87f1828d40d5 100644 --- a/drivers/xen/features.c +++ b/drivers/xen/features.c @@ -42,7 +42,7 @@ void xen_setup_features(void) if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0) break; for (j = 0; j < 32; j++) - xen_features[i * 32 + j] = !!(fi.submap & 1<<j); + xen_features[i * 32 + j] = !!(fi.submap & 1U << j); } if (xen_pv_domain()) { |