diff options
| author | Ajay Nandakumar <anandakumarm@nvidia.com> | 2013-10-31 07:12:36 +0530 |
|---|---|---|
| committer | Ajay Nandakumar <anandakumarm@nvidia.com> | 2013-10-31 07:12:36 +0530 |
| commit | 639f4bc6c2e711e814f72805d07412f93a9fbd89 (patch) | |
| tree | 5a57a019d16c351d8f4a75eabb43ee4e6d740e57 /arch/x86/lib/csum-wrappers_64.c | |
| parent | 2611486c29791d083a6a58bb88a23de042d38031 (diff) | |
| parent | 14e9c7db465387ede7f019c42f28c90f99fc2793 (diff) | |
Merge tag 'v3.10.17' into dev-kernel-3.10
This is the 3.10.17 stable release
Conflicts:
drivers/usb/host/xhci.c
Change-Id: I6bd3b15ff92a0b94568b9d02e9bb1036becfca20
Diffstat (limited to 'arch/x86/lib/csum-wrappers_64.c')
| -rw-r--r-- | arch/x86/lib/csum-wrappers_64.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c index 25b7ae8d058a..7609e0e421ec 100644 --- a/arch/x86/lib/csum-wrappers_64.c +++ b/arch/x86/lib/csum-wrappers_64.c @@ -6,6 +6,7 @@ */ #include <asm/checksum.h> #include <linux/module.h> +#include <asm/smap.h> /** * csum_partial_copy_from_user - Copy and checksum from user space. @@ -52,8 +53,10 @@ csum_partial_copy_from_user(const void __user *src, void *dst, len -= 2; } } + stac(); isum = csum_partial_copy_generic((__force const void *)src, dst, len, isum, errp, NULL); + clac(); if (unlikely(*errp)) goto out_err; @@ -82,6 +85,8 @@ __wsum csum_partial_copy_to_user(const void *src, void __user *dst, int len, __wsum isum, int *errp) { + __wsum ret; + might_sleep(); if (unlikely(!access_ok(VERIFY_WRITE, dst, len))) { @@ -105,8 +110,11 @@ csum_partial_copy_to_user(const void *src, void __user *dst, } *errp = 0; - return csum_partial_copy_generic(src, (void __force *)dst, - len, isum, NULL, errp); + stac(); + ret = csum_partial_copy_generic(src, (void __force *)dst, + len, isum, NULL, errp); + clac(); + return ret; } EXPORT_SYMBOL(csum_partial_copy_to_user); |