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| author | Svenning Soerensen <sss@secomea.dk> | 2013-08-29 03:35:17 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-08 09:09:58 +0400 |
| commit | 07245f175c74d7d50663dc6758094c683c07f510 (patch) | |
| tree | 3a9aa74d17e8a5a534d5dee9dc11108335699a3a /mm | |
| parent | b3772c81e3490f1ddc0547ee479598f3f4221699 (diff) | |
| download | linux-07245f175c74d7d50663dc6758094c683c07f510.tar.xz | |
IPC: bugfix for msgrcv with msgtyp < 0
commit 368ae537e056acd3f751fa276f48423f06803922 upstream.
According to 'man msgrcv': "If msgtyp is less than 0, the first message of
the lowest type that is less than or equal to the absolute value of msgtyp
shall be received."
Bug: The kernel only returns a message if its type is 1; other messages
with type < abs(msgtype) will never get returned.
Fix: After having traversed the list to find the first message with the
lowest type, we need to actually return that message.
This regression was introduced by commit daaf74cf0867 ("ipc: refactor
msg list search into separate function")
Signed-off-by: Svenning Soerensen <sss@secomea.dk>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions