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msm: ADSPRPC: Handle Null pointer De-reference

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Retrieved tgid from current process instead of
mapping  for naming the minidump region.

Change-Id: I598606577c63794f495c9ca92adc951c088046be
Acked-by: Krishnaiah Tadakamalla <ktadakam@qti.qualcomm.com>
Acked-by: Gururaj Chalgeri <gchalger@qti.qualcomm.com>
Signed-off-by: Jeya R <jeyr@codeaurora.org>
This commit is contained in:
Jeya R 2020-12-02 10:25:15 +05:30
commit 1a2ea5094c
1 changed files with 2 additions and 2 deletions
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4
drivers/char/adsprpc.c
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@ -1164,14 +1164,14 @@ static void fastrpc_mmap_free(struct fastrpc_mmap *map, uint32_t flags)
return;
}
if (msm_minidump_enabled()) {
scnprintf(md_entry.name, sizeof(md_entry.name), "CMA_%d", fl->tgid);
scnprintf(md_entry.name, sizeof(md_entry.name), "CMA_%d", current->tgid);
md_entry.virt_addr = map->va;
md_entry.phys_addr = map->phys;
md_entry.size = map->size;
if (msm_minidump_remove_region(&md_entry) < 0) {
ADSPRPC_ERR(
"Failed to remove CMA from Minidump for tgid: %d, phys: 0x%llx, size: %zu\n",
fl->tgid, map->phys, map->size);
current->tgid, map->phys, map->size);
}
}
trace_fastrpc_dma_free(-1, map->phys, map->size);