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Phonet: provide pipe socket option to retrieve the pipe identifier

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User-space sometimes needs this information. In particular, the GPRS
context or the AT commands pipe setups may use the pipe handle as a
reference.

This removes the settable pipe handle with CONFIG_PHONET_PIPECTRLR.
It did not handle error cases correctly. Furthermore, the kernel
*could* implement a smart scheme for allocating handles (if ever
needed), but userspace really cannot.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont
2011-03-08 22:44:11 +00:00
committed by David S. Miller
parent f7ae8d59f6
commit acaf7df610
3 changed files with 12 additions and 12 deletions
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2
include/linux/phonet.h
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@@ -36,7 +36,7 @@
/* Socket options for SOL_PNPIPE level */
#define PNPIPE_ENCAP 1
#define PNPIPE_IFINDEX 2
#define PNPIPE_PIPE_HANDLE 3
#define PNPIPE_HANDLE 3
#define PNPIPE_ENABLE 4
/* unused slot */