Messages in this thread Patch in this message | | | From | Benoit Taine <> | Subject | [PATCH 17/18] drx-j: Use kmemdup instead of kmalloc + memcpy | Date | Mon, 26 May 2014 17:21:26 +0200 |
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This issue was reported by coccicheck using the semantic patch at scripts/coccinelle/api/memdup.cocci
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr> --- Not compile tested.
drivers/media/dvb-frontends/drx39xyj/drxj.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c index 9482954..3795f65 100644 --- a/drivers/media/dvb-frontends/drx39xyj/drxj.c +++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c @@ -12272,22 +12272,20 @@ struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c) if (demod == NULL) goto error; - demod_addr = kmalloc(sizeof(struct i2c_device_addr), GFP_KERNEL); + demod_addr = kmemdup(&drxj_default_addr_g, + sizeof(struct i2c_device_addr), GFP_KERNEL); if (demod_addr == NULL) goto error; - memcpy(demod_addr, &drxj_default_addr_g, - sizeof(struct i2c_device_addr)); - demod_comm_attr = kmalloc(sizeof(struct drx_common_attr), GFP_KERNEL); + demod_comm_attr = kmemdup(&drxj_default_comm_attr_g, + sizeof(struct drx_common_attr), GFP_KERNEL); if (demod_comm_attr == NULL) goto error; - memcpy(demod_comm_attr, &drxj_default_comm_attr_g, - sizeof(struct drx_common_attr)); - demod_ext_attr = kmalloc(sizeof(struct drxj_data), GFP_KERNEL); + demod_ext_attr = kmemdup(&drxj_data_g, sizeof(struct drxj_data), + GFP_KERNEL); if (demod_ext_attr == NULL) goto error; - memcpy(demod_ext_attr, &drxj_data_g, sizeof(struct drxj_data)); /* setup the state */ state->i2c = i2c;
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