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qcacmn: Do not allocate 0 byte memory in DFS component

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In DFS component 0 byte memory is allocated when dfs_nol_count is 0.
We see a print 'allocating 0 bytes at this location' during wifi unload.

Change-Id: I5d6ad36875d634ee5ae6a138656bdb3f538bcdbe
CRs-Fixed: 2316513
This commit is contained in:
Shashikala Prabhu 2018-09-17 14:27:47 +05:30 • committed by nshrivas
commit cf7d57c5f6
1 changed files with 5 additions and 0 deletions
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5
umac/dfs/core/src/misc/dfs_nol.c
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@ -475,6 +475,11 @@ void dfs_nol_update(struct wlan_dfs *dfs)
struct dfsreq_nolelem *dfs_nol;
int nlen;
if (!dfs->dfs_nol_count) {
dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, "dfs_nol_count is zero");
return;
}
/*
* Allocate enough entries to store the NOL. At least on Linux
* (don't ask why), if you allocate a 0 entry array, the