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authorLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
committerLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
commit95ee46aa8698f2000647dfb362400fadbb5807cf (patch)
treee5a05c7297f997e191c73091934e42e3195c0e40 /drivers/isdn/pcbit/drv.c
parentcfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff)
parent92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff)
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Merge branch 'linus' into release
Conflicts: drivers/acpi/debug.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/isdn/pcbit/drv.c')
-rw-r--r--drivers/isdn/pcbit/drv.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/isdn/pcbit/drv.c b/drivers/isdn/pcbit/drv.c
index 123c1d6c43b4..1507d2e83fbb 100644
--- a/drivers/isdn/pcbit/drv.c
+++ b/drivers/isdn/pcbit/drv.c
@@ -411,14 +411,10 @@ static int pcbit_writecmd(const u_char __user *buf, int len, int driver, int cha
return -EINVAL;
}
- cbuf = kmalloc(len, GFP_KERNEL);
- if (!cbuf)
- return -ENOMEM;
+ cbuf = memdup_user(buf, len);
+ if (IS_ERR(cbuf))
+ return PTR_ERR(cbuf);
- if (copy_from_user(cbuf, buf, len)) {
- kfree(cbuf);
- return -EFAULT;
- }
memcpy_toio(dev->sh_mem, cbuf, len);
kfree(cbuf);
return len;