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authorEzequiel Garcia <elezegarcia@gmail.com>2012-10-23 14:57:21 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-12-27 16:02:24 -0500
commit2e814af502e0fc5983cbb96fc8c0c64fe49a9340 (patch)
tree1b43d47b3373a1bd05e8294c2f76a289e9540309 /drivers
parent3618acab2ccefe292a3b1a1d7295f1368023b71a (diff)
[media] cx18: Replace memcpy with struct assignment
This kind of memcpy() is error-prone. Its replacement with a struct assignment is prefered because it's type-safe and much easier to read. Found by coccinelle. Hand patched and reviewed. Tested by compilation only. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier struct_name; struct struct_name to; struct struct_name from; expression E; @@ -memcpy(&(to), &(from), E); +to = from; // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com> Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/pci/cx18/cx18-i2c.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/media/pci/cx18/cx18-i2c.c b/drivers/media/pci/cx18/cx18-i2c.c
index 4908eb7bcf6c..d61ac6393e7e 100644
--- a/drivers/media/pci/cx18/cx18-i2c.c
+++ b/drivers/media/pci/cx18/cx18-i2c.c
@@ -240,15 +240,13 @@ int init_cx18_i2c(struct cx18 *cx)
240 240
241 for (i = 0; i < 2; i++) { 241 for (i = 0; i < 2; i++) {
242 /* Setup algorithm for adapter */ 242 /* Setup algorithm for adapter */
243 memcpy(&cx->i2c_algo[i], &cx18_i2c_algo_template, 243 cx->i2c_algo[i] = cx18_i2c_algo_template;
244 sizeof(struct i2c_algo_bit_data));
245 cx->i2c_algo_cb_data[i].cx = cx; 244 cx->i2c_algo_cb_data[i].cx = cx;
246 cx->i2c_algo_cb_data[i].bus_index = i; 245 cx->i2c_algo_cb_data[i].bus_index = i;
247 cx->i2c_algo[i].data = &cx->i2c_algo_cb_data[i]; 246 cx->i2c_algo[i].data = &cx->i2c_algo_cb_data[i];
248 247
249 /* Setup adapter */ 248 /* Setup adapter */
250 memcpy(&cx->i2c_adap[i], &cx18_i2c_adap_template, 249 cx->i2c_adap[i] = cx18_i2c_adap_template;
251 sizeof(struct i2c_adapter));
252 cx->i2c_adap[i].algo_data = &cx->i2c_algo[i]; 250 cx->i2c_adap[i].algo_data = &cx->i2c_algo[i];
253 sprintf(cx->i2c_adap[i].name + strlen(cx->i2c_adap[i].name), 251 sprintf(cx->i2c_adap[i].name + strlen(cx->i2c_adap[i].name),
254 " #%d-%d", cx->instance, i); 252 " #%d-%d", cx->instance, i);