Commit 1320125a authored Dec 26, 2014 by Abhijeet Dharmapurikar

power: qpnp-fg: fix a potential access lockup



In fg_mem_read() there is an execution path where releasing access to
the fuel gauge sram may fail but the associated rw_lock mutex is not
released.

Fix the potential deadlock.

Change-Id: I08edb83135203dd37114b4bed6aa580defc04210
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>

parent 6a27fa9e

drivers/power/qpnp-fg.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -717,7 +717,7 @@ out:
		rc = fg_release_access(chip);
		if (rc) {
		pr_err("failed to set mem access bit\n");
		return -EIO;
		rc = -EIO;
		}
		}