[PATCH] ath10k: sdio: fix memory leak for probe allocations
Marcus Folkesson
marcus.folkesson at gmail.com
Tue Mar 27 13:31:44 PDT 2018
These allocations are not freed upon release.
When on it; go for managed resources instead.
Signed-off-by: Marcus Folkesson <marcus.folkesson at gmail.com>
---
drivers/net/wireless/ath/ath10k/sdio.c | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index 07e183f8e57a..005934b8522c 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -1967,7 +1967,7 @@ static int ath10k_sdio_probe(struct sdio_func *func,
ar_sdio = ath10k_sdio_priv(ar);
ar_sdio->irq_data.irq_proc_reg =
- kzalloc(sizeof(struct ath10k_sdio_irq_proc_regs),
+ devm_kzalloc(ar->dev, sizeof(struct ath10k_sdio_irq_proc_regs),
GFP_KERNEL);
if (!ar_sdio->irq_data.irq_proc_reg) {
ret = -ENOMEM;
@@ -1975,17 +1975,17 @@ static int ath10k_sdio_probe(struct sdio_func *func,
}
ar_sdio->irq_data.irq_en_reg =
- kzalloc(sizeof(struct ath10k_sdio_irq_enable_regs),
+ devm_kzalloc(ar->dev, sizeof(struct ath10k_sdio_irq_enable_regs),
GFP_KERNEL);
if (!ar_sdio->irq_data.irq_en_reg) {
ret = -ENOMEM;
- goto err_free_proc_reg;
+ goto err_core_destroy;
}
- ar_sdio->bmi_buf = kzalloc(BMI_MAX_CMDBUF_SIZE, GFP_KERNEL);
+ ar_sdio->bmi_buf = devm_kzalloc(ar->dev, BMI_MAX_CMDBUF_SIZE, GFP_KERNEL);
if (!ar_sdio->bmi_buf) {
ret = -ENOMEM;
- goto err_free_en_reg;
+ goto err_core_destroy;
}
ar_sdio->func = func;
@@ -2005,7 +2005,7 @@ static int ath10k_sdio_probe(struct sdio_func *func,
ar_sdio->workqueue = create_singlethread_workqueue("ath10k_sdio_wq");
if (!ar_sdio->workqueue) {
ret = -ENOMEM;
- goto err_free_bmi_buf;
+ goto err_core_destroy;
}
for (i = 0; i < ATH10K_SDIO_BUS_REQUEST_MAX_NUM; i++)
@@ -2021,7 +2021,7 @@ static int ath10k_sdio_probe(struct sdio_func *func,
ret = -ENODEV;
ath10k_err(ar, "unsupported device id %u (0x%x)\n",
dev_id_base, id->device);
- goto err_free_bmi_buf;
+ goto err_core_destroy;
}
ar->id.vendor = id->vendor;
@@ -2050,12 +2050,6 @@ static int ath10k_sdio_probe(struct sdio_func *func,
err_free_wq:
destroy_workqueue(ar_sdio->workqueue);
-err_free_bmi_buf:
- kfree(ar_sdio->bmi_buf);
-err_free_en_reg:
- kfree(ar_sdio->irq_data.irq_en_reg);
-err_free_proc_reg:
- kfree(ar_sdio->irq_data.irq_proc_reg);
err_core_destroy:
ath10k_core_destroy(ar);
--
2.16.2
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