[Xen-changelog] [xen stable-4.10] xen: Fix backport of "xen/cmdline: Fix buggy strncmp(s, LITERAL, ss - s) construct"

[patchbot@xxxxxxx]

commit 3b0eebb1ca6e158d7b9a5e57d68ddb4093882822
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Fri May 3 10:59:18 2019 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri May 3 10:59:18 2019 +0200

    xen: Fix backport of "xen/cmdline: Fix buggy strncmp(s, LITERAL, ss - s) 
construct"
    
    These were missed as a consequence of being rebased over other cmdline
    cleanup.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/dom0_build.c   | 4 ++--
 xen/arch/x86/hvm/vmx/vmcs.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/dom0_build.c b/xen/arch/x86/dom0_build.c
index 9886d60557..0091ba94f2 100644
--- a/xen/arch/x86/dom0_build.c
+++ b/xen/arch/x86/dom0_build.c
@@ -238,10 +238,10 @@ static int __init parse_dom0_param(const char *s)
         if ( !ss )
             ss = strchr(s, '\0');
 
-        if ( !strncmp(s, "pvh", ss - s) )
+        if ( !cmdline_strcmp(s, "pvh") )
             dom0_pvh = true;
 #ifdef CONFIG_SHADOW_PAGING
-        else if ( !strncmp(s, "shadow", ss - s) )
+        else if ( !cmdline_strcmp(s, "shadow") )
             opt_dom0_shadow = true;
 #endif
         else
diff --git a/xen/arch/x86/hvm/vmx/vmcs.c b/xen/arch/x86/hvm/vmx/vmcs.c
index e7f8eea6b8..205f2307c2 100644
--- a/xen/arch/x86/hvm/vmx/vmcs.c
+++ b/xen/arch/x86/hvm/vmx/vmcs.c
@@ -90,9 +90,9 @@ static int __init parse_ept_param(const char *s)
         if ( !ss )
             ss = strchr(s, '\0');
 
-        if ( !strncmp(s, "pml", ss - s) )
+        if ( !cmdline_strcmp(s, "pml") )
             opt_pml_enabled = val;
-        else if ( !strncmp(s, "ad", ss - s) )
+        else if ( !cmdline_strcmp(s, "ad") )
             opt_ept_ad = val;
         else
             rc = -EINVAL;
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.10

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