> -----Original Message----- > From: Yue Zhang [mailto:yuezha@xxxxxxxxxxxxx] > Sent: Thursday, June 26, 2014 2:09 PM > To: KY Srinivasan; Haiyang Zhang; driverdev-devel@xxxxxxxxxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; olaf@xxxxxxxxx; jasowang@xxxxxxxxxx; > apw@xxxxxxxxxxxxx > Cc: Dexuan Cui; Thomas Shao > Subject: [PATCH] Tools: hv: fix file overwriting of hv_fcopy_daemon > > From: Yue Zhang <yuezha@xxxxxxxxxxxxx> > > hv_fcopy_daemon fails to overwrite a file if the target file already exits. > > Add O_TRUNC flag on opening. > > Signed-off-by: Yue Zhang <yuezha@xxxxxxxxxxxxx> > --- > tools/hv/hv_fcopy_daemon.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c > index fba1c75..01eee6b 100644 > --- a/tools/hv/hv_fcopy_daemon.c > +++ b/tools/hv/hv_fcopy_daemon.c > @@ -88,7 +88,8 @@ static int hv_start_fcopy(struct hv_start_fcopy *smsg) > } > } > > - target_fd = open(target_fname, O_RDWR | O_CREAT | O_CLOEXEC, > 0744); > + target_fd = open(target_fname, > + O_RDWR | O_CREAT | O_TRUNC | Please align O_RDWR to align with the first argument (target_fname). K. Y _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
