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[PULL,08/10] target/i386: Clean up error cases for vmsr_read_thread_stat()

Message ID 20240731111806.167225-9-pbonzini@redhat.com
State New
Headers show
Series [PULL,01/10] tests/vm/openbsd: Install tomli | expand

Commit Message

Paolo Bonzini July 31, 2024, 11:18 a.m. UTC 
From: Anthony Harivel <aharivel@redhat.com>

Fix leaking memory of file handle in case of error
Erase unused "pid = -1"
Add clearer error_report

Should fix Coverity CID 1558557.

Signed-off-by: Anthony Harivel <aharivel@redhat.com>
Link: https://lore.kernel.org/r/20240726102632.1324432-3-aharivel@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/kvm/vmsr_energy.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/target/i386/kvm/vmsr_energy.c b/target/i386/kvm/vmsr_energy.c
index a1d78f2f2ae..7e064c5aef3 100644
--- a/target/i386/kvm/vmsr_energy.c
+++ b/target/i386/kvm/vmsr_energy.c
@@ -270,7 +270,7 @@  void vmsr_read_thread_stat(pid_t pid,
 
     FILE *file = fopen(path, "r");
     if (file == NULL) {
-        pid = -1;
+        error_report("Error opening %s", path_name);
         return;
     }
 
@@ -279,7 +279,8 @@  void vmsr_read_thread_stat(pid_t pid,
         " %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*u %*u %u",
            utime, stime, cpu_id) != 3)
     {
-        pid = -1;
+        fclose(file);
+        error_report("Error fscanf did not report the right amount of items");
         return;
     }