On Fri, Oct 28, 2016 at 10:37:53AM +0530, Souptick Joarder wrote: > There are few functions where we need to free previously allocated memory > when kmalloc fails. Else it may lead to memory leakage. In _init_cmd_priv() > and _r8712_init_xmit_priv(), in few places we are not freeing previously > allocated memory when kmalloc fails. > > Signed-off-by: Souptick joarder <jrdr.linux@xxxxxxxxx> > --- > v2: > - Make the commit message more descriptive > v3: > - Modified the patch description by adding space in required places > > drivers/staging/rtl8712/rtl871x_cmd.c | 4 +++- > drivers/staging/rtl8712/rtl871x_xmit.c | 4 +++- > 2 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c > index b7ee5e6..1f284ae 100644 > --- a/drivers/staging/rtl8712/rtl871x_cmd.c > +++ b/drivers/staging/rtl8712/rtl871x_cmd.c > @@ -72,8 +72,10 @@ static sint _init_cmd_priv(struct cmd_priv *pcmdpriv) > ((addr_t)(pcmdpriv->cmd_allocated_buf) & > (CMDBUFF_ALIGN_SZ - 1)); > pcmdpriv->rsp_allocated_buf = kmalloc(MAX_RSPSZ + 4, GFP_ATOMIC); > - if (!pcmdpriv->rsp_allocated_buf) > + if (!pcmdpriv->rsp_allocated_buf) { > + kfree(pcmdpriv->cmd_allocated_buf); > + pcmdpriv->cmd_allocated_buf = NULL; > return _FAIL; > + } > pcmdpriv->rsp_buf = pcmdpriv->rsp_allocated_buf + 4 - > ((addr_t)(pcmdpriv->rsp_allocated_buf) & 3); > pcmdpriv->cmd_issued_cnt = 0; > diff --git a/drivers/staging/rtl8712/rtl871x_xmit.c b/drivers/staging/rtl8712/rtl871x_xmit.c > index be38364..f335161 100644 > --- a/drivers/staging/rtl8712/rtl871x_xmit.c > +++ b/drivers/staging/rtl8712/rtl871x_xmit.c > @@ -128,8 +128,10 @@ sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, > _init_queue(&pxmitpriv->pending_xmitbuf_queue); > pxmitpriv->pallocated_xmitbuf = kmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4, > GFP_ATOMIC); > - if (!pxmitpriv->pallocated_xmitbuf) > + if (!pxmitpriv->pallocated_xmitbuf) { > + kfree(pxmitpriv->pallocated_frame_buf); > + pxmitpriv->pallocated_frame_buf = NULL; > return _FAIL; > + } > pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - > ((addr_t)(pxmitpriv->pallocated_xmitbuf) & 3); > pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; > -- > 1.9.1 This patch is totally corrupted, how did you generate it? You can't hand-edit a patch file, unless you know how to do it... Please fix up and resend in a format I can apply it in. thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel