[PATCH] trace-cmd: Fix reporting of unknown SVM exit reasons

[Jan Kiszka]

From: Jan Kiszka <jan.kis...@siemens.com>

On AMD, exist code -1 is also a possible value, but we use it for
terminating the list of known exit reasons. This leads to EXIT_ERR
being reported for unkown ones. Fix this by using an NULL string
pointer as terminal.

Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
 plugin_kvm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/plugin_kvm.c b/plugin_kvm.c
index 15a6f4c..99e920f 100644
--- a/plugin_kvm.c
+++ b/plugin_kvm.c
@@ -208,12 +208,12 @@ struct str_values {
 
 static struct str_values vmx_exit_reasons[] = {
        VMX_EXIT_REASONS
-       { NULL, -1}
+       { }
 };
 
 static struct str_values svm_exit_reasons[] = {
        SVM_EXIT_REASONS
-       { NULL, -1}
+       { }
 };
 
 static struct isa_exit_reasons {
@@ -237,7 +237,7 @@ static const char *find_exit_reason(unsigned isa, int val)
                }
        if (!strings)
                return "UNKNOWN-ISA";
-       for (i = 0; strings[i].val >= 0; i++)
+       for (i = 0; strings[i].str; i++)
                if (strings[i].val == val)
                        break;
 
-- 
2.6.6

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