[PATCH] target/ppc: Add error reporting when opening file fails

[jianchunfu]

Add error reporting before return when opening file fails.

Signed-off-by: jianchunfu <jianchunfu@cmss.chinamobile.com>
---
 target/ppc/kvm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index dc93b99189..ef9a871411 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -1798,6 +1798,7 @@ static int read_cpuinfo(const char *field, char *value, 
int len)
 
     f = fopen("/proc/cpuinfo", "r");
     if (!f) {
+        fprintf(stderr, "Error opening /proc/cpuinfo: %s\n", strerror(errno));
         return -1;
     }
 
@@ -1906,6 +1907,7 @@ static uint64_t kvmppc_read_int_dt(const char *filename)
 
     f = fopen(filename, "rb");
     if (!f) {
+        fprintf(stderr, "Error opening %s: %s\n", filename, strerror(errno));
         return -1;
     }
 
-- 
2.18.4