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[media] videobuf2: avoid memory leak on errors

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As reported by smatch:
	drivers/media/v4l2-core/videobuf2-core.c:2415 __vb2_init_fileio() warn: possible memory leak of 'fileio'

While here, avoid the usage of sizeof(struct foo_struct).

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2015-12-18 14:11:31 -02:00
parent 58e1ba3ce6
commit b62ef37c6e
1 changed files with 4 additions and 2 deletions
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6
drivers/media/v4l2-core/videobuf2-core.c
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@ -2406,13 +2406,15 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
(read) ? "read" : "write", count, q->fileio_read_once,
q->fileio_write_immediately);
fileio = kzalloc(sizeof(struct vb2_fileio_data), GFP_KERNEL);
fileio = kzalloc(sizeof(*fileio), GFP_KERNEL);
if (fileio == NULL)
return -ENOMEM;
fileio->b = kzalloc(q->buf_struct_size, GFP_KERNEL);
if (fileio->b == NULL)
if (fileio->b == NULL) {
kfree(fileio);
return -ENOMEM;
}
fileio->read_once = q->fileio_read_once;
fileio->write_immediately = q->fileio_write_immediately;