diff options
| author | Sathish Ambley <sathishambley@codeaurora.org> | 2017-03-08 10:55:48 -0800 |
|---|---|---|
| committer | Sathish Ambley <sathishambley@codeaurora.org> | 2017-03-08 10:55:48 -0800 |
| commit | df22d814021fbb88ee53f85e013b4fcfceab2f41 (patch) | |
| tree | 55dc7797f535e3f81af6f9aa622fc1b398eae2ac | |
| parent | 45ad5727c99fa3e06acd6977de2bddb47ce758d1 (diff) | |
msm: ADSPRPC: Null check for file session context during release
While releasing the device, check if the file session context is NULL
to make sure we are not dereferencing it during file free.
Change-Id: I310271189cf710b81c5182b936189fd57ddedd7b
Acked-by: Vishnu Karthik <vikarthi@qti.qualcomm.com>
Signed-off-by: Sathish Ambley <sathishambley@codeaurora.org>
| -rw-r--r-- | drivers/char/adsprpc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c index 0345e977a2d4..73f0e7449aba 100644 --- a/drivers/char/adsprpc.c +++ b/drivers/char/adsprpc.c @@ -2082,6 +2082,10 @@ static int fastrpc_file_free(struct fastrpc_file *fl) hlist_del_init(&fl->hn); spin_unlock(&fl->apps->hlock); + if (!fl->sctx) { + kfree(fl); + return 0; + } (void)fastrpc_release_current_dsp_process(fl); fastrpc_context_list_dtor(fl); fastrpc_buf_list_free(fl); |