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control_hw: fix potential memory leak

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Signed-off-by: Ivan Sorokin <vanyacpp@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ivan Sorokin 2014-01-22 00:12:50 +04:00 • committed by Takashi Iwai
parent 3baf1bee84
commit 336dc58beb
1 changed files with 3 additions and 1 deletions
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4
src/control/control_hw.c
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@ -240,8 +240,10 @@ static int snd_ctl_hw_elem_tlv(snd_ctl_t *handle, int op_flag,
return -errno; return -errno;
} }
if (op_flag == 0) { if (op_flag == 0) {
if (xtlv->tlv[1] + 2 * sizeof(unsigned int) > tlv_size) if (xtlv->tlv[1] + 2 * sizeof(unsigned int) > tlv_size) {
free(xtlv);
return -EFAULT; return -EFAULT;
}
memcpy(tlv, xtlv->tlv, xtlv->tlv[1] + 2 * sizeof(unsigned int)); memcpy(tlv, xtlv->tlv, xtlv->tlv[1] + 2 * sizeof(unsigned int));
} }
free(xtlv); free(xtlv);