[PATCH] fbdev: broadsheetfb: fix memory leak

From: Sudip Mukherjee
Date: Fri Sep 18 2015 - 07:16:53 EST


On the error path we have missed releasing the firmware.

Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---
drivers/video/fbdev/broadsheetfb.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/broadsheetfb.c b/drivers/video/fbdev/broadsheetfb.c
index 0e5fde1..ac1f41e 100644
--- a/drivers/video/fbdev/broadsheetfb.c
+++ b/drivers/video/fbdev/broadsheetfb.c
@@ -752,7 +752,7 @@ static ssize_t broadsheet_loadstore_waveform(struct device *dev,
if ((fw_entry->size < 8*1024) || (fw_entry->size > 64*1024)) {
dev_err(dev, "Invalid waveform\n");
err = -EINVAL;
- goto err_failed;
+ goto err_fw;
}

mutex_lock(&(par->io_lock));
@@ -762,13 +762,15 @@ static ssize_t broadsheet_loadstore_waveform(struct device *dev,
mutex_unlock(&(par->io_lock));
if (err < 0) {
dev_err(dev, "Failed to store broadsheet waveform\n");
- goto err_failed;
+ goto err_fw;
}

dev_info(dev, "Stored broadsheet waveform, size %zd\n", fw_entry->size);

return len;

+err_fw:
+ release_firmware(fw_entry);
err_failed:
return err;
}
--
1.9.1

--
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/