[PATCH] dvb: add missing release_firmware() calls

Add missing release_firmware() calls to fix memory leaks.

Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c
index 237edc4..2d5f56c 100644 (file)
--- a/drivers/media/dvb/frontends/tda1004x.c
+++ b/drivers/media/dvb/frontends/tda1004x.c
@@ -385,6 +385,7 @@ static int tda10045_fwupload(struct dvb_frontend* fe)
        tda10045h_set_bandwidth(state, BANDWIDTH_8_MHZ);
 
        ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10045H_FWPAGE, TDA10045H_CODE_IN);
+       release_firmware(fw);
        if (ret)
                return ret;
        printk(KERN_INFO "tda1004x: firmware upload complete\n");
@@ -452,6 +453,7 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
                }
                tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8); // going to boot from HOST
                ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10046H_CODE_CPT, TDA10046H_CODE_IN);
+               release_firmware(fw);
                if (ret)
                        return ret;
        } else {

diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
index 505bdaf..45c9a9a 100644 (file)
--- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
@@ -1281,6 +1281,7 @@ static int ttusb_dec_boot_dsp(struct ttusb_dec *dec)
        if (firmware_size < 60) {
                printk("%s: firmware size too small for DSP code (%zu < 60).\n",
                        __FUNCTION__, firmware_size);
+               release_firmware(fw_entry);
                return -1;
        }
 
@@ -1294,6 +1295,7 @@ static int ttusb_dec_boot_dsp(struct ttusb_dec *dec)
                printk("%s: crc32 check of DSP code failed (calculated "
                       "0x%08x != 0x%08x in file), file invalid.\n",
                        __FUNCTION__, crc32_csum, crc32_check);
+               release_firmware(fw_entry);
                return -1;
        }
        memcpy(idstring, &firmware[36], 20);
@@ -1308,15 +1310,19 @@ static int ttusb_dec_boot_dsp(struct ttusb_dec *dec)
 
        result = ttusb_dec_send_command(dec, 0x41, sizeof(b0), b0, NULL, NULL);
 
-       if (result)
+       if (result) {
+               release_firmware(fw_entry);
                return result;
+       }
 
        trans_count = 0;
        j = 0;
 
        b = kmalloc(ARM_PACKET_SIZE, GFP_KERNEL);
-       if (b == NULL)
+       if (b == NULL) {
+               release_firmware(fw_entry);
                return -ENOMEM;
+       }
 
        for (i = 0; i < firmware_size; i += COMMAND_PACKET_SIZE) {
                size = firmware_size - i;
@@ -1345,6 +1351,7 @@ static int ttusb_dec_boot_dsp(struct ttusb_dec *dec)
 
        result = ttusb_dec_send_command(dec, 0x43, sizeof(b1), b1, NULL, NULL);
 
+       release_firmware(fw_entry);
        kfree(b);
 
        return result;