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qcacld-3.0: Handle ch cnt and number of channels for SETROAMSCANCHANNELS

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To set specific channels, user give SETROAMSCANCHANNELS command with
channel count followed by number of channels.
Ex. SETROAMSCANCHANNELS 2 1 11, here 2 is count and 1 & 11 are the
channels.

If channel count is more than the number of channels, driver rejects
SETROAMSCANCHANNELS command and if number of channels are more than
the channel count, driver ignores excess channels in the list.

Change-Id: I276b84b4994bdf25abf36298dc212dcd54ce0dbb
CRs-Fixed: 2609788
This commit is contained in:
Abhishek Ambure 2020-01-30 16:16:07 +05:30 • committed by nshrivas
commit f4e994656f
1 changed files with 12 additions and 10 deletions
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22
core/hdd/src/wlan_hdd_ioctl.c
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@ -1880,12 +1880,10 @@ hdd_parse_channellist(struct hdd_context *hdd_ctx,
in_ptr = strpbrk(in_ptr, " ");
/* no channel list after the number of channels argument */
if (!in_ptr) {
if (0 != j) {
*num_channels = j;
if ((j != 0) && (*num_channels == j))
return 0;
} else {
return -EINVAL;
}
else
goto cnt_mismatch;
}
/* remove empty space */
@ -1897,12 +1895,10 @@ hdd_parse_channellist(struct hdd_context *hdd_ctx,
* argument and spaces
*/
if ('\0' == *in_ptr) {
if (0 != j) {
*num_channels = j;
if ((j != 0) && (*num_channels == j))
return 0;
} else {
return -EINVAL;
}
else
goto cnt_mismatch;
}
v = sscanf(in_ptr, "%31s ", buf);
@ -1923,6 +1919,12 @@ hdd_parse_channellist(struct hdd_context *hdd_ctx,
}
return 0;
cnt_mismatch:
hdd_debug("Mismatch in ch cnt: %d and num of ch: %d", *num_channels, j);
*num_channels = 0;
return -EINVAL;
}
/**