Commit 378d03f4 authored Sep 06, 2017 by Sayali Lokhande

scsi: ufs: Add check before calling device_remove_file



This change adds check if clock scaling is supported before
calling device_remove_file on ufs clk_scaling.enable_attr to
avoid null pointer dereference.

Change-Id: I3bf228c08b5dcf6528f606d0dfa792d10ce408d2
Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>

parent 84a47e8c

drivers/scsi/ufs/ufshcd.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -9689,6 +9689,8 @@ static void __ufshcd_shutdown_clkscaling(struct ufs_hba *hba)

		static void ufshcd_shutdown_clkscaling(struct ufs_hba *hba)
		{
		if (!ufshcd_is_clkscaling_supported(hba))
		return;
		__ufshcd_shutdown_clkscaling(hba);
		device_remove_file(hba->dev, &hba->clk_scaling.enable_attr);
		}