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authorVitaliy Ivanov <vitalivanov@gmail.com>2011-07-26 02:12:50 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-26 05:57:13 +0200
commit2fdf2130926f07881c75e3905ece472c37d7703f (patch)
tree3e9e9c3334f7277aa116800efe6719713e23fdc5 /arch/um/os-Linux/helper.c
parentuml: cow_user.c warning corrections (diff)
downloadlinux-2fdf2130926f07881c75e3905ece472c37d7703f.tar.xz
linux-2fdf2130926f07881c75e3905ece472c37d7703f.zip
uml: helper.c warning corrections
Fix this warning: 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 [richard@nod.at: happens only with -D_FORTIFY_SOURCE=2] Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/os-Linux/helper.c')
-rw-r--r--arch/um/os-Linux/helper.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index b6b1096152aa..feff22d64672 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;
}