diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.9/0041-pinctrl-sunxi-fix-theoretical-uninitialized-variable.patch')
| -rw-r--r-- | target/linux/sunxi/patches-4.9/0041-pinctrl-sunxi-fix-theoretical-uninitialized-variable.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/target/linux/sunxi/patches-4.9/0041-pinctrl-sunxi-fix-theoretical-uninitialized-variable.patch b/target/linux/sunxi/patches-4.9/0041-pinctrl-sunxi-fix-theoretical-uninitialized-variable.patch deleted file mode 100644 index 69de015b67..0000000000 --- a/target/linux/sunxi/patches-4.9/0041-pinctrl-sunxi-fix-theoretical-uninitialized-variable.patch +++ /dev/null @@ -1,40 +0,0 @@ -From d8a22212737314cc02692cc90eda7d844fa20257 Mon Sep 17 00:00:00 2001 -From: Arnd Bergmann <arnd@arndb.de> -Date: Wed, 16 Nov 2016 15:18:18 +0100 -Subject: pinctrl: sunxi: fix theoretical uninitialized variable access - -gcc warns about a way that it could use an uninitialized variable: - -drivers/pinctrl/sunxi/pinctrl-sunxi.c: In function 'sunxi_pinctrl_init': -drivers/pinctrl/sunxi/pinctrl-sunxi.c:1191:8: error: 'best_div' may be used uninitialized in this function [-Werror=maybe-uninitialized] - -This cannot really happen except if 'freq' is UINT_MAX and 'clock' is -zero, and both of these are forbidden. To shut up the warning anyway, -this changes the logic to initialize the return code to the first -divider value before looking at the others. - -Fixes: 7c926492d38a ("pinctrl: sunxi: Add support for interrupt debouncing") -Signed-off-by: Arnd Bergmann <arnd@arndb.de> -Signed-off-by: Linus Walleij <linus.walleij@linaro.org> ---- - drivers/pinctrl/sunxi/pinctrl-sunxi.c | 7 +++++-- - 1 file changed, 5 insertions(+), 2 deletions(-) - ---- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c -+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c -@@ -1125,10 +1125,13 @@ static int sunxi_pinctrl_build_state(str - static int sunxi_pinctrl_get_debounce_div(struct clk *clk, int freq, int *diff) - { - unsigned long clock = clk_get_rate(clk); -- unsigned int best_diff = ~0, best_div; -+ unsigned int best_diff, best_div; - int i; - -- for (i = 0; i < 8; i++) { -+ best_diff = abs(freq - clock); -+ best_div = 0; -+ -+ for (i = 1; i < 8; i++) { - int cur_diff = abs(freq - (clock >> i)); - - if (cur_diff < best_diff) { |