d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Document that the returned pointer should be freed even if the number

Browse Source 
of items returned is 0.
This commit is contained in:
Nate Lawson 2005-05-20 05:04:22 +00:00
parent 1c9ec53854
commit 96ab794b26
3 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
share/man/man9/devclass_get_devices.9
View File

@ -28,7 +28,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd June 16, 1998
.Dd May 19, 2005
.Dt DEVCLASS_GET_DEVICES 9
.Os
.Sh NAME
@ -46,7 +46,10 @@ return the list in
and the count in
.Fa *devcountp .
The memory allocated for the list should be freed using
.Fn free "*devlistp" "M_TEMP" .
.Fn free "*devlistp" "M_TEMP" ,
even if
.Fa *devcountp
is 0.
.Sh RETURN VALUES
Zero is returned on success, otherwise an appropriate error is returned.
.Sh SEE ALSO

5
share/man/man9/devclass_get_drivers.9
View File

@ -28,7 +28,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd April 3, 2005
.Dd May 19, 2005
.Dt DEVCLASS_GET_DRIVERS 9
.Os
.Sh NAME
@ -47,6 +47,9 @@ and the number of drivers in the list in
.Fa *countp .
The memory allocated for the list should be freed using
.Fn free "*listp" "M_TEMP" .
even if
.Fa *countp
is 0.
.Sh RETURN VALUES
Zero is returned on success, otherwise an appropriate error is returned.
.Sh SEE ALSO

2
sys/kern/subr_bus.c
View File

@ -1098,7 +1098,7 @@ devclass_get_softc(devclass_t dc, int unit)
* An array containing a list of all the devices in the given devclass
* is allocated and returned in @p *devlistp. The number of devices
* in the array is returned in @p *devcountp. The caller should free
* the array using @c free(p, M_TEMP).
* the array using @c free(p, M_TEMP), even if @p *devcountp is 0.
*
* @param dc the devclass to examine
* @param devlistp points at location for array pointer return