Message ID | 20210323123245.346491-1-colin.king@canonical.com |
---|---|
State | New |
Headers | show |
Series | octeontx2-af: Fix memory leak of object buf | expand |
On Tue, Mar 23, 2021 at 6:07 PM Colin King <colin.king@canonical.com> wrote: > > From: Colin Ian King <colin.king@canonical.com> > > Currently the error return path when lfs fails to allocate is not free'ing > the memory allocated to buf. Fix this by adding the missing kfree. > > Addresses-Coverity: ("Resource leak") > Fixes: f7884097141b ("octeontx2-af: Formatting debugfs entry rsrc_alloc.") > Signed-off-by: Colin Ian King <colin.king@canonical.com> > --- > drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c > index 8ec17ee72b5d..9bf8eaabf9ab 100644 > --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c > +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c > @@ -253,8 +253,10 @@ static ssize_t rvu_dbg_rsrc_attach_status(struct file *filp, > return -ENOSPC; > > lfs = kzalloc(lf_str_size, GFP_KERNEL); > - if (!lfs) > + if (!lfs) { > + kfree(buf); > return -ENOMEM; > + } > off += scnprintf(&buf[off], buf_size - 1 - off, "%-*s", lf_str_size, > "pcifunc"); > for (index = 0; index < BLK_COUNT; index++) > -- > 2.30.2 > Thanks for the fix, Acked-by: Sunil Goutham <sgoutham@marvell.com>
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c index 8ec17ee72b5d..9bf8eaabf9ab 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c @@ -253,8 +253,10 @@ static ssize_t rvu_dbg_rsrc_attach_status(struct file *filp, return -ENOSPC; lfs = kzalloc(lf_str_size, GFP_KERNEL); - if (!lfs) + if (!lfs) { + kfree(buf); return -ENOMEM; + } off += scnprintf(&buf[off], buf_size - 1 - off, "%-*s", lf_str_size, "pcifunc"); for (index = 0; index < BLK_COUNT; index++)