/* * Copyright (c) 2007 Jiri Kosina */ /* * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef _UAPI_HIDRAW_H #define _UAPI_HIDRAW_H #include #include struct hidraw_report_descriptor { __u32 size; __u8 value[HID_MAX_DESCRIPTOR_SIZE]; }; struct hidraw_devinfo { __u32 bustype; __s16 vendor; __s16 product; }; /* ioctl interface */ #define HIDIOCGRDESCSIZE _IOR('H', 0x01, int) #define HIDIOCGRDESC _IOR('H', 0x02, struct hidraw_report_descriptor) #define HIDIOCGRAWINFO _IOR('H', 0x03, struct hidraw_devinfo) #define HIDIOCGRAWNAME(len) _IOC(_IOC_READ, 'H', 0x04, len) #define HIDIOCGRAWPHYS(len) _IOC(_IOC_READ, 'H', 0x05, len) /* The first byte of SFEATURE and GFEATURE is the report number */ #define HIDIOCSFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x06, len) #define HIDIOCGFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x07, len) #define HIDRAW_FIRST_MINOR 0 #define HIDRAW_MAX_DEVICES 64 /* number of reports to buffer */ #define HIDRAW_BUFFER_SIZE 64 /* kernel-only API declarations */ #endif /* _UAPI_HIDRAW_H */
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authorArvind Yadav <arvind.yadav.cs@gmail.com>2016-12-12 23:13:27 +0530
committerTejun Heo <tj@kernel.org>2017-01-06 15:45:32 -0500
commit064c3db9c564cc5be514ac21fb4aa26cc33db746 (patch)
tree9875da27d40d874837ecca529ba42e54bcc56b10
parent2dae99558e86894e9e5dbf097477baaa5eb70134 (diff)
ata: sata_mv:- Handle return value of devm_ioremap.
Here, If devm_ioremap will fail. It will return NULL. Then hpriv->base = NULL - 0x20000; Kernel can run into a NULL-pointer dereference. This error check will avoid NULL pointer dereference. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
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