mirror of https://gitee.com/openkylin/linux.git
6c22fce07c
Coverity reports:
** CID 751368: Null pointer dereferences (FORWARD_NULL)
/drivers/net/usb/usbnet.c: 1925 in __usbnet_read_cmd()
________________________________________________________________________________________________________
*** CID 751368: Null pointer dereferences (FORWARD_NULL)
/drivers/net/usb/usbnet.c: 1925 in __usbnet_read_cmd()
1919 EXPORT_SYMBOL(usbnet_link_change);
1920
1921 /*-------------------------------------------------------------------------*/
1922 static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype,
1923 u16 value, u16 index, void *data, u16 size)
1924 {
>>> CID 751368: Null pointer dereferences (FORWARD_NULL)
>>> Assigning: "buf" = "NULL".
1925 void *buf = NULL;
1926 int err = -ENOMEM;
1927
1928 netdev_dbg(dev->net, "usbnet_read_cmd cmd=0x%02x reqtype=%02x"
1929 " value=0x%04x index=0x%04x size=%d\n",
1930 cmd, reqtype, value, index, size);
** CID 751370: Null pointer dereferences (FORWARD_NULL)
/drivers/net/usb/usbnet.c: 1952 in __usbnet_write_cmd()
________________________________________________________________________________________________________
*** CID 751370: Null pointer dereferences (FORWARD_NULL)
/drivers/net/usb/usbnet.c: 1952 in __usbnet_write_cmd()
1946 }
1947
1948 static int __usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype,
1949 u16 value, u16 index, const void *data,
1950 u16 size)
1951 {
>>> CID 751370: Null pointer dereferences (FORWARD_NULL)
>>> Assigning: "buf" = "NULL".
1952 void *buf = NULL;
1953 int err = -ENOMEM;
1954
1955 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x"
1956 " value=0x%04x index=0x%04x size=%d\n",
1957 cmd, reqtype, value, index, size);
** CID 1325026: Null pointer dereferences (FORWARD_NULL)
/drivers/net/usb/ch9200.c: 143 in control_write()
It is valid to offer commands without a buffer, but then you need a size
of zero. This should actually be checked.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.