> -----Original Message----- > From: Ferruh Yigit [mailto:ferruh.yi...@intel.com] > Sent: Tuesday, September 15, 2020 1:24 AM > To: wangyunjian <wangyunj...@huawei.com>; dev@dpdk.org; > hemant.agra...@nxp.com; sachin.sax...@nxp.com > Cc: Lilijun (Jerry) <jerry.lili...@huawei.com>; xudingke > <xudin...@huawei.com>; sta...@dpdk.org > Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] bus/dpaa: fix fd check before > close > > On 8/26/2020 12:54 PM, wangyunjian wrote: > > From: Yunjian Wang <wangyunj...@huawei.com> > > > > The fd is possibly a negative value while it is passed as an argument > > to function "close". Fix the check to the fd. > > > > Fixes: b9c94167904f ("bus/dpaa: decouple FQ portal alloc and init") > > Cc: sta...@dpdk.org > > > > Signed-off-by: Yunjian Wang <wangyunj...@huawei.com> > > --- > > drivers/bus/dpaa/base/qbman/qman_driver.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/bus/dpaa/base/qbman/qman_driver.c > > b/drivers/bus/dpaa/base/qbman/qman_driver.c > > index 1166d68e2..1bff0bc2f 100644 > > --- a/drivers/bus/dpaa/base/qbman/qman_driver.c > > +++ b/drivers/bus/dpaa/base/qbman/qman_driver.c > > @@ -142,7 +142,7 @@ struct qman_portal *fsl_qman_fq_portal_create(int > *fd) > > struct qm_portal_config *q_pcfg; > > struct dpaa_ioctl_irq_map irq_map; > > struct dpaa_ioctl_portal_map q_map = {0}; > > - int q_fd = 0, ret; > > + int q_fd = -1, ret; > > > > q_pcfg = kzalloc((sizeof(struct qm_portal_config)), 0); > > if (!q_pcfg) { > > @@ -191,7 +191,7 @@ struct qman_portal *fsl_qman_fq_portal_create(int > > *fd) > > err: > > if (portal) > > qman_free_global_portal(portal); > > - if (q_fd) > > + if (q_fd != -1) > > close(q_fd); > > There is already a 'if (q_fd == -1)' check above to goto this label, what do > you > think adding a second label to remove duplicated check?
Thanks for your suggestion. I will do like this. Yunjian