Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 039/109] usb: gadget: f_fs: Fix ExtCompat descriptor validation | Date | Thu, 7 Dec 2017 13:56:23 +0100 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Vincent Pelletier <plr.vincent@gmail.com>
[ Upstream commit 354bc45bf329494ef6051f3229ef50b9e2a7ea2a ]
Reserved1 is documented as expected to be set to 0, but this test fails when it it set to 0. Reverse the condition.
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/usb/gadget/function/f_fs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -2263,7 +2263,7 @@ static int __ffs_data_do_os_desc(enum ff if (len < sizeof(*d) || d->bFirstInterfaceNumber >= ffs->interfaces_count || - !d->Reserved1) + d->Reserved1) return -EINVAL; for (i = 0; i < ARRAY_SIZE(d->Reserved2); ++i) if (d->Reserved2[i])
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