From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Date: Wed, 10 Sep 2014 13:49:37 +0000 Subject: Re: [PATCH 1/4] usb: renesas_usbhs: gadget: fix NULL pointer dereference in ep_disable() Message-Id: <20140910134937.GD667@saruman.home> MIME-Version: 1 Content-Type: multipart/mixed; boundary="Hf61M2y+wYpnELGG" List-Id: References: <54102904.6060703@renesas.com> In-Reply-To: <54102904.6060703@renesas.com> To: linux-sh@vger.kernel.org --Hf61M2y+wYpnELGG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 10, 2014 at 07:33:40PM +0900, Yoshihiro Shimoda wrote: > This patch fixes an issue that the NULL pointer dereference happens > when we use g_audio driver. Since the g_audio driver will call > usb_ep_disable() in afunc_set_alt() before it calls usb_ep_enable(), > the uep->pipe of renesas usbhs driver will be NULL. So, this patch > adds a condition to avoid the oops. >=20 > Signed-off-by: Kazuya Mizuguchi > Signed-off-by: Takeshi Kihara > Signed-off-by: Yoshihiro Shimoda Which commit does this fix ? Do we need a Cc: stable ? --=20 balbi --Hf61M2y+wYpnELGG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUEFbxAAoJEIaOsuA1yqRE0nUP/1Oq28RoPJP4m8CjDPoGpfwf QDfQxUY7gddbsKJUbgmprIl+mxqg+CrrAh/5DqCADoFzkHScLaUCXOlHT/VcB9dy j41D0Ukj5+Y0d0mYW3Nz9iRiiVDyxeTByDg77ch18DrSxzmZCbOXpqa+vBuxKZKl 57tZ9wcjjMxXAh8lhkX2K0fVmypEZp8biysUcnkHQI+Dqq85RtZ/BdwwTGYIEkXo w0oKnBO/JOb2HrAMBUFS9TfsnAcnJtHOREgcWQrogyKkwwLUzE46oaiU5tcV8H9n 9ooAzbLWgaX5lKaftdyd6gQKeNoyhZJi0T1oNlCYMoCDRXEssWPLWlgJRCVCUtfO +UNMVHXwfhusRjgEK1B2c3TmDmsuQ3ZkVLvTptOopKHyGROhuoVQZPeNabdy9yy+ v5VBtoJziVeZHM21i5+WcT8j8VMYYodf7NTPXmd9IQFOZTchjHY8+gMfmkqdMov8 P+Dv7PAsUThNf3rJd84D1MV0U9RNAADsGCPG3N3ncIr7VeNw6StU0GszZxwd4cdW dbZ79PxSS2PIg63viRlAAZo/AjZdmyX6KujQo0DAbl4sqUv6TCIz+H7EivVPZ+nd xQPcz4K4WOwUfPXOo41WraetignE4dUuegNpzUmK5Ry86YyT4GXZlUic1/zu6/Eu dquC69Ma6hJnibrDaiCj =nWIo -----END PGP SIGNATURE----- --Hf61M2y+wYpnELGG--