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| author | Mark Brown <broonie@linaro.org> | 2013-12-30 13:45:00 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-30 13:45:00 +0000 |
| commit | 68e67d97e1f91ed11e041b67f3a1336f518c608f (patch) | |
| tree | 1de288bc05f1cf1bfec20200a60ffe99dcce77ae /drivers/infiniband/core/uverbs.h | |
| parent | 9e03d05eee4ca45ed12749ef6c26bf616262cdd2 (diff) | |
| parent | 802eee95bde72fd0cd0f3a5b2098375a487d1eda (diff) | |
Merge tag 'v3.13-rc6' into spi-rcar
To resolve spurious merge conflicts with fixes.
Linux 3.13-rc6
Diffstat (limited to 'drivers/infiniband/core/uverbs.h')
| -rw-r--r-- | drivers/infiniband/core/uverbs.h | 10 |
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: * |