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drm/edid: Use kmemdup instead of kmalloc + memcpy
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> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -3228,10 +3228,9 @@ int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
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/* Speaker Allocation Data Block */
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if (dbl == 3) {
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*sadb = kmalloc(dbl, GFP_KERNEL);
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*sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
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if (!*sadb)
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return -ENOMEM;
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memcpy(*sadb, &db[1], dbl);
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count = dbl;
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break;
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}
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