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[2/3] ALSA: hda: Use struct_size()

Message ID 20190531095321.16002-3-tiwai@suse.de (mailing list archive)
State New, archived
Headers show
Series ALSA: trivial conversions to struct_size() | expand

Commit Message

Takashi Iwai May 31, 2019, 9:53 a.m. UTC 
For code simplification and safety, use struct_size() macro for
calculating the hda_conn_list object size with the variable array.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_codec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index b20eb7fc83eb..d0f1dbcfbda4 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -122,7 +122,7 @@  static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
 {
 	struct hda_conn_list *p;
 
-	p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL);
+	p = kmalloc(struct_size(p, conns, len), GFP_KERNEL);
 	if (!p)
 		return -ENOMEM;
 	p->len = len;