[libvirt] [PATCH for v1.0.5-maint] Fix use of VIR_STRDUP vs strdup

Cole Robinson crobinso at redhat.com
Mon Jun 10 13:54:27 UTC 2013


On 06/10/2013 09:45 AM, Doug Goldstein wrote:
> On Mon, Jun 10, 2013 at 3:28 AM, Eric Blake <eblake at redhat.com
> <mailto:eblake at redhat.com>> wrote:
> 
>     ----- Original Message -----
>     > Commit 894f784948a93760629de3cb195c69ef4f4b831f broke the v1.0.5-maint
>     > branch because VIR_STRDUP() didn't exist in the v1.0.5 release so the
>     > resulting build is missing that symbol.
>     >
>     > This patch is only for the v1.0.5-maint branch.
>     > ---
>     >  src/qemu/qemu_migration.c | 2 +-
>     >  1 file changed, 1 insertion(+), 1 deletion(-)
>     >
>     > diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
>     > index d96805a..606194c 100644
>     > --- a/src/qemu/qemu_migration.c
>     > +++ b/src/qemu/qemu_migration.c
>     > @@ -1223,7 +1223,7 @@ qemuMigrationDriveMirror(virQEMUDriverPtr driver,
>     >              virReportOOMError();
>     >              goto error;
>     >          }
>     > -    } else if (VIR_STRDUP(hoststr, host) < 0) {
>     > +    } else if ((hoststr = strdup(host)) == NULL) {
> 
>     Rather, we should backport c3abb5c45 to the v1.0.5-maint branch, so that
>     all other patches using VIR_STRDUP can be backported without issue.
> 
> 
> That's fine. I took the path of least change in my original patch. The reality
> is we'll need a few patches to make VIR_STRDUP "stable".
> 
> 
> c3abb5c45988a0d7583f059974513722d82e2c2b  # original VIR_STRDUP support
> 6b74a9f5d98e066f8dfdf5d5ccda68230b516246    # Fix to allow src to be NULL
> since a number of places do this and we might backport patches that do
> 504b4a8dae06330ba1735a28c316c1c68a32c471 # Probably want tests for a maint branch
> 2da3bc646e6fd1d07f4a663e8efaef8c7e0ba310    # Fix for 6b74a9f5
> 
> If I get an ACK on these 4, I'll cherry pick them back to v1.0.5-maint.
> 

Whoops, I just pushed your patch to the maint branch before I saw your and
Jan's responses. If someone wants to do the backport I'll ACK it, but honestly
I don't think it has proven worth the effort at this point.

- Cole




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