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commit a5e3d567df85040a3f1145c810b8e1cf394e9ede Author: Andrew Price anprice@redhat.com Date: Thu Aug 3 16:34:03 2017 +0100

fsck.gfs2: Fix unchecked return value warning

initialize.c:1703:4: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result]

Signed-off-by: Andrew Price anprice@redhat.com --- gfs2/fsck/initialize.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/gfs2/fsck/initialize.c b/gfs2/fsck/initialize.c index 75f050b..5862fc3 100644 --- a/gfs2/fsck/initialize.c +++ b/gfs2/fsck/initialize.c @@ -1700,10 +1700,12 @@ void destroy(struct gfs2_sbd *sdp) if (was_mounted_ro && errors_corrected) { sdp->device_fd = open("/proc/sys/vm/drop_caches", O_WRONLY); if (sdp->device_fd >= 0) { - write(sdp->device_fd, "2", 1); + if (write(sdp->device_fd, "2", 1) == 2) { + close(sdp->device_fd); + return; + } close(sdp->device_fd); - } else - log_err( _("fsck.gfs2: Non-fatal error dropping " - "caches.\n")); + } + log_warn(_("fsck.gfs2: Could not flush caches (non-fatal).\n")); } }