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authorIngo Molnar <mingo@kernel.org>2014-01-05 12:34:29 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-05 12:34:29 +0100
commitef0b8b9a521c65201bfca9747ee1bf374296133c (patch)
tree644c3390c07d06fb7807182a4935f7c3f675b157 /drivers/infiniband/core/uverbs.h
parent5c12af0c41e3417e1939095325920463b5f8e726 (diff)
parentd6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff)
Merge tag 'v3.13-rc7' into x86/efi-kexec to resolve conflicts
Conflicts: arch/x86/platform/efi/efi.c drivers/firmware/efi/Kconfig Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/infiniband/core/uverbs.h')
-rw-r--r--drivers/infiniband/core/uverbs.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index bdc842e9fae..a283274a5a0 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -49,12 +49,20 @@
#define INIT_UDATA(udata, ibuf, obuf, ilen, olen) \
do { \
- (udata)->inbuf = (void __user *) (ibuf); \
+ (udata)->inbuf = (const void __user *) (ibuf); \
(udata)->outbuf = (void __user *) (obuf); \
(udata)->inlen = (ilen); \
(udata)->outlen = (olen); \
} while (0)
+#define INIT_UDATA_BUF_OR_NULL(udata, ibuf, obuf, ilen, olen) \
+ do { \
+ (udata)->inbuf = (ilen) ? (const void __user *) (ibuf) : NULL; \
+ (udata)->outbuf = (olen) ? (void __user *) (obuf) : NULL; \
+ (udata)->inlen = (ilen); \
+ (udata)->outlen = (olen); \
+ } while (0)
+
/*
* Our lifetime rules for these structs are the following:
*