On 12/05/2013 09:14 AM, Gu Zheng wrote: > Hi Dave, > > On 12/04/2013 10:54 PM, Dave Jones wrote: > >> On Wed, Dec 04, 2013 at 06:19:06PM +0800, Gu Zheng wrote: >> > Clean up the aio ring file in the fail path of aio_setup_ring >> > and ioctx_alloc. And maybe it can fix the GPF issue reported by >> > Dave Jones: >> > https://lkml.org/lkml/2013/11/25/898 >> > >> > >> > Signed-off-by: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx> >> > --- >> > fs/aio.c | 8 ++++++-- >> > 1 files changed, 6 insertions(+), 2 deletions(-) >> > >> > diff --git a/fs/aio.c b/fs/aio.c >> > index 08159ed..6efb7f6 100644 >> > --- a/fs/aio.c >> > +++ b/fs/aio.c >> > @@ -367,8 +367,10 @@ static int aio_setup_ring(struct kioctx *ctx) >> > if (nr_pages > AIO_RING_PAGES) { >> > ctx->ring_pages = kcalloc(nr_pages, sizeof(struct page *), >> > GFP_KERNEL); >> > - if (!ctx->ring_pages) >> > + if (!ctx->ring_pages) { >> > + put_aio_ring_file(ctx); >> > return -ENOMEM; >> > + } >> > } >> > >> >> CC fs/aio.o >> fs/aio.c: In function ‘aio_setup_ring’: >> fs/aio.c:363:4: error: implicit declaration of function ‘put_aio_ring_file’ [-Werror=implicit-function-declaration] >> put_aio_ring_file(ctx); >> >> >> Is this dependant on another patch ? > > It's applied on 3.12-rc2. Please ignore the previous defective patch I sent Sorry, s/3.12-rc2/3.13-rc2/ > before, and try again. > > Regards, > Gu > >> >> Dave >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> > > -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html