From: Vitaliy Ivanov <vitaliva...@gmail.com>
arch/um/os-Linux/helper.c: In function ‘helper_child’:
arch/um/os-Linux/helper.c:38:7: warning: ignoring return value of ‘write’,
declared with attribute warn_unused_result
Signed-off-by: Vitaliy Ivanov <vitaliva...@gmail.com>
[rich...@nod.at: happens only with -D_FORTIFY_SOURCE=2]
Signed-off-by: Richard Weinberger <rich...@nod.at>
---
arch/um/os-Linux/helper.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index b6b1096..feff22d 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -28,14 +28,14 @@ static int helper_child(void *arg)
{
struct helper_data *data = arg;
char **argv = data->argv;
- int err;
+ int err, ret;
if (data->pre_exec != NULL)
(*data->pre_exec)(data->pre_data);
err = execvp_noalloc(data->buf, argv[0], argv);
/* If the exec succeeds, we don't get here */
- write(data->fd, &err, sizeof(err));
+ CATCH_EINTR(ret = write(data->fd, &err, sizeof(err)));
return 0;
}
--
1.7.6
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