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tests/plugin/syscall.c: fix compiler warnings

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Fix compiler warnings. The warnings can result in a broken build.
This patch fixes warnings such as:

In file included from /usr/include/glib-2.0/glib.h:111,
                 from ../tests/plugin/syscall.c:13:
../tests/plugin/syscall.c: In function ‘print_entry’:
/usr/include/glib-2.0/glib/glib-autocleanups.h:28:3: error: ‘out’ may be
       used uninitialized in this function [-Werror=maybe-uninitialized]
   g_free (*pp);
   ^~~~~~~~~~~~
../tests/plugin/syscall.c:82:23: note: ‘out’ was declared here
     g_autofree gchar *out;
                       ^~~
In file included from /usr/include/glib-2.0/glib.h:111,
                 from ../tests/plugin/syscall.c:13:
../tests/plugin/syscall.c: In function ‘vcpu_syscall_ret’:
/usr/include/glib-2.0/glib/glib-autocleanups.h:28:3: error: ‘out’ may be
        used uninitialized in this function [-Werror=maybe-uninitialized]
   g_free (*pp);
   ^~~~~~~~~~~~
../tests/plugin/syscall.c:73:27: note: ‘out’ was declared here
         g_autofree gchar *out;
                           ^~~
cc1: all warnings being treated as errors

Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211128011551.2115468-1-juro.bystricky@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211129140932.4115115-9-alex.bennee@linaro.org>
This commit is contained in:
Juro Bystricky 2021-11-29 14:09:32 +00:00 committed by Alex Bennée
parent 1e970158be
commit d5615bbf91
1 changed files with 3 additions and 5 deletions
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8
tests/plugin/syscall.c
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@ -70,19 +70,17 @@ static void vcpu_syscall_ret(qemu_plugin_id_t id, unsigned int vcpu_idx,
}
g_mutex_unlock(&lock);
} else {
g_autofree gchar *out;
out = g_strdup_printf("syscall #%" PRIi64 " returned -> %" PRIi64 "\n",
num, ret);
g_autofree gchar *out = g_strdup_printf(
"syscall #%" PRIi64 " returned -> %" PRIi64 "\n", num, ret);
qemu_plugin_outs(out);
}
}
static void print_entry(gpointer val, gpointer user_data)
{
g_autofree gchar *out;
SyscallStats *entry = (SyscallStats *) val;
int64_t syscall_num = entry->num;
out = g_strdup_printf(
g_autofree gchar *out = g_strdup_printf(
"%-13" PRIi64 "%-6" PRIi64 " %" PRIi64 "\n",
syscall_num, entry->calls, entry->errors);
qemu_plugin_outs(out);