usbutils 0.91: Fix NULL pointer crash.
[YOCTO #2847] Before use usbbuslist, we should check if it is valid. (From OE-Core rev: fc6c6ce73105518f4106da469ed81d53d860a290) Signed-off-by: Roy.Li <rongqing.li@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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2b40ca14b4
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@ -0,0 +1,28 @@
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Fix NULL pointer crash.
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Before use usbbuslist, we should check if it is valid.
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Upstream-Status: Pending
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Signed-off-by: Roy.Li <rongqing.li@windriver.com>
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---
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lsusb-t.c | 4 ++++
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1 files changed, 4 insertions(+), 0 deletions(-)
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diff --git a/lsusb-t.c b/lsusb-t.c
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index f604155..583a46a 100644
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--- a/lsusb-t.c
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+++ b/lsusb-t.c
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@@ -643,6 +643,10 @@ static void sort_busses(void)
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/* need to reverse sort bus numbers */
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struct usbbusnode *t, *p, **pp;
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int swapped;
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+
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+ if (!usbbuslist)
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+ return;
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+
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do {
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p = usbbuslist;
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pp = &usbbuslist;
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--
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1.7.4.1
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@ -7,10 +7,11 @@ LICENSE = "GPLv2+"
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LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f"
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DEPENDS = "libusb zlib"
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PR = "r4"
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PR = "r5"
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SRC_URI = "${KERNELORG_MIRROR}/linux/utils/usb/usbutils/usbutils-${PV}.tar.gz \
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file://usb-devices-avoid-dependency-on-bash.patch"
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file://usb-devices-avoid-dependency-on-bash.patch \
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file://Fix-NULL-pointer-crash.patch"
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SRC_URI[md5sum] = "49de2403b40bf3a9863faaa8d3858deb"
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SRC_URI[sha256sum] = "c122346b0225121bcf159abf804116f826a4a3462c94ce7b8871f7559e6b3a46"
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