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authorLinus Torvalds <torvalds@linux-foundation.org>2017-11-17 22:54:55 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-17 22:54:55 +0300
commit93f30c73ecd0281cf3685ef0e4e384980a176176 (patch)
treebd272334a0dbd258c08b5b2237e8bf5e17ce7255 /drivers/char
parent06ede5f6086757f746b7be860ae76137f4e95032 (diff)
parent96271654f55c74ff7325fbdfc535466c9deb0ce6 (diff)
downloadlinux-93f30c73ecd0281cf3685ef0e4e384980a176176.tar.xz
Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull compat and uaccess updates from Al Viro: - {get,put}_compat_sigset() series - assorted compat ioctl stuff - more set_fs() elimination - a few more timespec64 conversions - several removals of pointless access_ok() in places where it was followed only by non-__ variants of primitives * 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (24 commits) coredump: call do_unlinkat directly instead of sys_unlink fs: expose do_unlinkat for built-in callers ext4: take handling of EXT4_IOC_GROUP_ADD into a helper, get rid of set_fs() ipmi: get rid of pointless access_ok() pi433: sanitize ioctl cxlflash: get rid of pointless access_ok() mtdchar: get rid of pointless access_ok() r128: switch compat ioctls to drm_ioctl_kernel() selection: get rid of field-by-field copyin VT_RESIZEX: get rid of field-by-field copyin i2c compat ioctls: move to ->compat_ioctl() sched_rr_get_interval(): move compat to native, get rid of set_fs() mips: switch to {get,put}_compat_sigset() sparc: switch to {get,put}_compat_sigset() s390: switch to {get,put}_compat_sigset() ppc: switch to {get,put}_compat_sigset() parisc: switch to {get,put}_compat_sigset() get_compat_sigset() get rid of {get,put}_compat_itimerspec() io_getevents: Use timespec64 to represent timeouts ...
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/ipmi/bt-bmc.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/char/ipmi/bt-bmc.c b/drivers/char/ipmi/bt-bmc.c
index 70d434bc1cbf..c4ef73c6f455 100644
--- a/drivers/char/ipmi/bt-bmc.c
+++ b/drivers/char/ipmi/bt-bmc.c
@@ -204,9 +204,6 @@ static ssize_t bt_bmc_read(struct file *file, char __user *buf,
ssize_t ret = 0;
ssize_t nread;
- if (!access_ok(VERIFY_WRITE, buf, count))
- return -EFAULT;
-
WARN_ON(*ppos);
if (wait_event_interruptible(bt_bmc->queue,
@@ -277,9 +274,6 @@ static ssize_t bt_bmc_write(struct file *file, const char __user *buf,
if (count < 5)
return -EINVAL;
- if (!access_ok(VERIFY_READ, buf, count))
- return -EFAULT;
-
WARN_ON(*ppos);
/*