[PATCH 1/2] octeontx2-af: Add a 'rvu_free_bitmap()' function

Subsystems: marvell octeontx2 rvu admin function driver, networking drivers, the rest

STALE1802d

3 messages, 2 authors, 2021-09-04 · open the first message on its own page

[PATCH 1/2] octeontx2-af: Add a 'rvu_free_bitmap()' function

From: Christophe JAILLET <hidden>
Date: 2021-09-04 07:34:50

In order to match 'rvu_alloc_bitmap()', add a 'rvu_free_bitmap()' function

Signed-off-by: Christophe JAILLET <redacted>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 5 +++++
 drivers/net/ethernet/marvell/octeontx2/af/rvu.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 72de4eca6f67..35836903b7fb 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c

@@ -211,6 +211,11 @@ int rvu_alloc_bitmap(struct rsrc_bmap *rsrc)
 	return 0;
 }
 
+void rvu_free_bitmap(struct rsrc_bmap *rsrc)
+{
+	kfree(rsrc->bmap);
+}
+
 /* Get block LF's HW index from a PF_FUNC's block slot number */
 int rvu_get_lf(struct rvu *rvu, struct rvu_block *block, u16 pcifunc, u16 slot)
 {

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index d38e5c980c30..1d9411232f1d 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h

@@ -638,6 +638,7 @@ static inline bool is_rvu_fwdata_valid(struct rvu *rvu)
 }
 
 int rvu_alloc_bitmap(struct rsrc_bmap *rsrc);
+void rvu_free_bitmap(struct rsrc_bmap *rsrc);
 int rvu_alloc_rsrc(struct rsrc_bmap *rsrc);
 void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id);
 bool is_rsrc_free(struct rsrc_bmap *rsrc, int id);

-- 
2.30.2

[PATCH 2/2] octeontx2-af: Fix some memory leaks in the error handling path of 'cgx_lmac_init()'

From: Christophe JAILLET <hidden>
Date: 2021-09-04 07:34:57

Memory allocated before 'lmac' is stored in 'cgx->lmac_idmap[]' must be
freed explicitly. Otherwise, in case of error, it will leak.

Rename the 'err_irq' label to better describe what is done at this place in
the error handling path.

Fixes: 6f14078e3ee5 ("octeontx2-af: DMAC filter support in MAC block")
Signed-off-by: Christophe JAILLET <redacted>
---
 drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 7f3d01059e19..34a089b71e55 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c

@@ -1487,7 +1487,7 @@ static int cgx_lmac_init(struct cgx *cgx)
 				MAX_DMAC_ENTRIES_PER_CGX / cgx->lmac_count;
 		err = rvu_alloc_bitmap(&lmac->mac_to_index_bmap);
 		if (err)
-			return err;
+			goto err_name_free;
 
 		/* Reserve first entry for default MAC address */
 		set_bit(0, lmac->mac_to_index_bmap.bmap);

@@ -1497,7 +1497,7 @@ static int cgx_lmac_init(struct cgx *cgx)
 		spin_lock_init(&lmac->event_cb_lock);
 		err = cgx_configure_interrupt(cgx, lmac, lmac->lmac_id, false);
 		if (err)
-			goto err_irq;
+			goto err_bitmap_free;
 
 		/* Add reference */
 		cgx->lmac_idmap[lmac->lmac_id] = lmac;

@@ -1507,7 +1507,9 @@ static int cgx_lmac_init(struct cgx *cgx)
 
 	return cgx_lmac_verify_fwi_version(cgx);
 
-err_irq:
+err_bitmap_free:
+	rvu_free_bitmap(&lmac->mac_to_index_bmap);
+err_name_free:
 	kfree(lmac->name);
 err_lmac_free:
 	kfree(lmac);

-- 
2.30.2

Re: [PATCH 1/2] octeontx2-af: Add a 'rvu_free_bitmap()' function

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-09-04 12:10:09

Hello:

This series was applied to netdev/net.git (refs/heads/master):

On Sat,  4 Sep 2021 09:34:41 +0200 you wrote:

In order to match 'rvu_alloc_bitmap()', add a 'rvu_free_bitmap()' function

Signed-off-by: Christophe JAILLET <redacted>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 5 +++++
 drivers/net/ethernet/marvell/octeontx2/af/rvu.h | 1 +
 2 files changed, 6 insertions(+)

Here is the summary with links:
  - [1/2] octeontx2-af: Add a 'rvu_free_bitmap()' function
    https://git.kernel.org/netdev/net/c/d863ca67bb6e
  - [2/2] octeontx2-af: Fix some memory leaks in the error handling path of 'cgx_lmac_init()'
    https://git.kernel.org/netdev/net/c/ecbd690b52dc

You are awesome, thank you!
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