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authorIngo Molnar <[email protected]>2016-10-16 11:31:39 +0200
committerIngo Molnar <[email protected]>2016-10-16 11:31:39 +0200
commit1d33369db25eb7f37b7a8bd22d736888b4501a9c (patch)
tree116d764339be1bca928870151decbedc53a9e1d1 /include/linux/hw_random.h
parent23446cb66c073b827779e5eb3dec301623299b32 (diff)
parent1001354ca34179f3db924eb66672442a173147dc (diff)
Merge tag 'v4.9-rc1' into x86/urgent, to pick up updates
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'include/linux/hw_random.h')
-rw-r--r--include/linux/hw_random.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index 4f7d8f4b1e9a..34a0dc18f327 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -29,7 +29,9 @@
* Returns the number of lower random bytes in "data".
* Must not be NULL. *OBSOLETE*
* @read: New API. drivers can fill up to max bytes of data
- * into the buffer. The buffer is aligned for any type.
+ * into the buffer. The buffer is aligned for any type
+ * and max is guaranteed to be >= to that alignment
+ * (either 4 or 8 depending on architecture).
* @priv: Private data, for use by the RNG driver.
* @quality: Estimation of true entropy in RNG's bitstream
* (per mill).