1 files changed, 23 insertions, 13 deletions

diff --git a/drivers/media/dvb/frontends/dib3000mc.c b/drivers/media/dvb/frontends/dib3000mc.c
index fa851601e7d..088e7fadbe3 100644
--- a/drivers/media/dvb/frontends/dib3000mc.c
+++ b/drivers/media/dvb/frontends/dib3000mc.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/i2c.h>
 
 #include "dvb_frontend.h"
@@ -813,42 +814,51 @@ EXPORT_SYMBOL(dib3000mc_set_config);
 
 int dib3000mc_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib3000mc_config cfg[])
 {
-	struct dib3000mc_state st = { .i2c_adap = i2c };
+	struct dib3000mc_state *dmcst;
 	int k;
 	u8 new_addr;
 
 	static u8 DIB3000MC_I2C_ADDRESS[] = {20,22,24,26};
 
+	dmcst = kzalloc(sizeof(struct dib3000mc_state), GFP_KERNEL);
+	if (dmcst == NULL)
+		return -ENOMEM;
+
+	dmcst->i2c_adap = i2c;
+
 	for (k = no_of_demods-1; k >= 0; k--) {
-		st.cfg = &cfg[k];
+		dmcst->cfg = &cfg[k];
 
 		/* designated i2c address */
 		new_addr          = DIB3000MC_I2C_ADDRESS[k];
-		st.i2c_addr = new_addr;
-		if (dib3000mc_identify(&st) != 0) {
-			st.i2c_addr = default_addr;
-			if (dib3000mc_identify(&st) != 0) {
+		dmcst->i2c_addr = new_addr;
+		if (dib3000mc_identify(dmcst) != 0) {
+			dmcst->i2c_addr = default_addr;
+			if (dib3000mc_identify(dmcst) != 0) {
 				dprintk("-E-  DiB3000P/MC #%d: not identified\n", k);
+				kfree(dmcst);
 				return -ENODEV;
 			}
 		}
 
-		dib3000mc_set_output_mode(&st, OUTMODE_MPEG2_PAR_CONT_CLK);
+		dib3000mc_set_output_mode(dmcst, OUTMODE_MPEG2_PAR_CONT_CLK);
 
 		// set new i2c address and force divstr (Bit 1) to value 0 (Bit 0)
-		dib3000mc_write_word(&st, 1024, (new_addr << 3) | 0x1);
-		st.i2c_addr = new_addr;
+		dib3000mc_write_word(dmcst, 1024, (new_addr << 3) | 0x1);
+		dmcst->i2c_addr = new_addr;
 	}
 
 	for (k = 0; k < no_of_demods; k++) {
-		st.cfg = &cfg[k];
-		st.i2c_addr = DIB3000MC_I2C_ADDRESS[k];
+		dmcst->cfg = &cfg[k];
+		dmcst->i2c_addr = DIB3000MC_I2C_ADDRESS[k];
 
-		dib3000mc_write_word(&st, 1024, st.i2c_addr << 3);
+		dib3000mc_write_word(dmcst, 1024, dmcst->i2c_addr << 3);
 
 		/* turn off data output */
-		dib3000mc_set_output_mode(&st, OUTMODE_HIGH_Z);
+		dib3000mc_set_output_mode(dmcst, OUTMODE_HIGH_Z);
 	}
+
+	kfree(dmcst);
 	return 0;
 }
 EXPORT_SYMBOL(dib3000mc_i2c_enumeration);