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Commit e3edf3ec authored Jul 27, 2017 by Tharun Kumar Merugu

msm: ADSPRPC: Null check for file session context



When any system call is made, before servicing it make sure that the
session context is not null and channel info is valid.

Change-Id: I07ff325083610c758f889cbc582dab9c2aa97d46
Acked-by: Vishnu Karthik D <vikarthi@qti.qualcomm.com>
Signed-off-by: Tharun Kumar Merugu <mtharu@codeaurora.org>

parent 70be28c9

drivers/char/adsprpc.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -1399,6 +1399,14 @@ static int fastrpc_internal_invoke(struct fastrpc_file *fl, uint32_t mode,

		if (fl->profile)
		getnstimeofday(&invoket);

		VERIFY(err, fl->sctx != NULL);
		if (err)
		goto bail;
		VERIFY(err, fl->cid >= 0 && fl->cid < NUM_CHANNELS);
		if (err)
		goto bail;

		if (!kernel) {
		VERIFY(err, 0 == context_restore_interrupted(fl, inv,
		&ctx));

drivers/char/adsprpc_shared.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -100,7 +100,7 @@
		#define VERIFY(err, val) \
		do {\
		VERIFY_IPRINTF(__FILE_LINE__"info: calling: " #val "\n");\
		if (0 == (val)) {\
		if ((val) == 0) {\
		(err) = (err) == 0 ? -1 : (err);\
		VERIFY_EPRINTF(__FILE_LINE__"error: %d: " #val "\n", (err));\
		} else {\