diff options
| author | Tony Lindgren <tony@atomide.com> | 2019-03-21 11:00:21 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-29 10:24:20 +0100 |
| commit | 73100213d852db8ff93f663c5a874fe72b0acc54 (patch) | |
| tree | b2bf165ad447954e04e7736d6a28ae691757928d /arch/arm | |
| parent | 0c48a9cefff0805f3336a44c3ef2609f31a54b17 (diff) | |
ARM: OMAP2+: Fix potentially uninitialized return value for _setup_reset()
[ Upstream commit 7f0d078667a494466991aa7133f49594f32ff6a2 ]
Commit 747834ab8347 ("ARM: OMAP2+: hwmod: revise hardreset behavior") made
the call to _enable() conditional based on no oh->rst_lines_cnt. This
caused the return value to be potentially uninitialized. Curiously we see
no compiler warnings for this, probably as this gets inlined.
We call _setup_reset() from _setup() and only _setup_postsetup() if the
return value is zero. Currently the return value can be uninitialized for
cases where oh->rst_lines_cnt is set and HWMOD_INIT_NO_RESET is not set.
Fixes: 747834ab8347 ("ARM: OMAP2+: hwmod: revise hardreset behavior")
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index bfc74954540c..9421b78f869d 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2588,7 +2588,7 @@ static void _setup_iclk_autoidle(struct omap_hwmod *oh) */ static int _setup_reset(struct omap_hwmod *oh) { - int r; + int r = 0; if (oh->_state != _HWMOD_STATE_INITIALIZED) return -EINVAL; |