From 25b0cbe98f294e98732ff546b8a7f4b1b2da4c6c Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Mon, 23 Dec 2019 18:27:51 -0800 Subject: upm: Fix 'may be used uninitialized' errors Signed-off-by: Khem Raj --- ...001-initialize-local-variables-before-use.patch | 57 ++++++++++++++++++++++ meta-oe/recipes-extended/upm/upm_git.bb | 1 + 2 files changed, 58 insertions(+) create mode 100644 meta-oe/recipes-extended/upm/upm/0001-initialize-local-variables-before-use.patch (limited to 'meta-oe/recipes-extended/upm') diff --git a/meta-oe/recipes-extended/upm/upm/0001-initialize-local-variables-before-use.patch b/meta-oe/recipes-extended/upm/upm/0001-initialize-local-variables-before-use.patch new file mode 100644 index 0000000000..f9fae1641d --- /dev/null +++ b/meta-oe/recipes-extended/upm/upm/0001-initialize-local-variables-before-use.patch @@ -0,0 +1,57 @@ +From cce8be3966b602cf7e20d559e50fcf493b9b42cc Mon Sep 17 00:00:00 2001 +From: Khem Raj +Date: Mon, 23 Dec 2019 18:13:21 -0800 +Subject: [PATCH] initialize local variables before use + +fixes +error: 'ctrl_reg2_data' may be used uninitialized in this function [-Werror=maybe-uninitialized] + +Upstream-Status: Submitted [https://github.com/eclipse/upm/pull/693] +Signed-off-by: Khem Raj +--- + src/kxtj3/kxtj3.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/src/kxtj3/kxtj3.c b/src/kxtj3/kxtj3.c +index a6f3c4f8..050ae585 100755 +--- a/src/kxtj3/kxtj3.c ++++ b/src/kxtj3/kxtj3.c +@@ -715,7 +715,7 @@ upm_result_t kxtj3_sensor_software_reset(const kxtj3_context dev) + if (kxtj3_set_bit_on(dev, KXTJ3_CTRL_REG2, KXTJ3_CTRL_REG2_SRST) != UPM_SUCCESS) + return UPM_ERROR_OPERATION_FAILED; + +- uint8_t ctrl_reg2_data; ++ uint8_t ctrl_reg2_data = 0; + kxtj3_read_register(dev, KXTJ3_CTRL_REG2, &ctrl_reg2_data); + + uint8_t srst_counter = 0; +@@ -824,7 +824,7 @@ upm_result_t kxtj3_enable_interrupt_pin(const kxtj3_context dev, KXTJ3_INTERRUPT + KXTJ3_INTERRUPT_RESPONSE_T response_type) + { + assert(dev != NULL); +- uint8_t int_reg_value; ++ uint8_t int_reg_value = 0; + kxtj3_read_register(dev, KXTJ3_INT_CTRL_REG1, &int_reg_value); + + if (polarity) +@@ -865,7 +865,7 @@ upm_result_t kxtj3_set_interrupt_response(const kxtj3_context dev, KXTJ3_INTERRU + bool kxtj3_get_interrupt_status(const kxtj3_context dev) + { + assert(dev != NULL); +- uint8_t status_reg_value; ++ uint8_t status_reg_value = 0; + kxtj3_read_register(dev, KXTJ3_STATUS_REG, &status_reg_value); + if (!(status_reg_value & KXTJ3_STATUS_REG_INT)) + return false; +@@ -955,7 +955,7 @@ kxtj3_wakeup_axes kxtj3_get_wakeup_axis_and_direction(kxtj3_context dev) + { + assert(dev != NULL); + +- uint8_t int_source2_value; ++ uint8_t int_source2_value = 0; + kxtj3_read_register(dev, KXTJ3_INT_SOURCE2, &int_source2_value); + + kxtj3_wakeup_axes wakeup_axis; +-- +2.24.1 + diff --git a/meta-oe/recipes-extended/upm/upm_git.bb b/meta-oe/recipes-extended/upm/upm_git.bb index dbe97370d5..7564738dda 100644 --- a/meta-oe/recipes-extended/upm/upm_git.bb +++ b/meta-oe/recipes-extended/upm/upm_git.bb @@ -13,6 +13,7 @@ PV = "2.0.0+git${SRCPV}" SRC_URI = "git://github.com/intel-iot-devkit/${BPN}.git;protocol=http \ file://0001-CMakeLists.txt-Use-SWIG_SUPPORT_FILES-to-find-the-li.patch \ file://0001-Use-stdint-types.patch \ + file://0001-initialize-local-variables-before-use.patch \ " SRC_URI_append_toolchain-clang_x86 = " file://0001-nmea_gps-Link-with-latomic.patch " -- cgit 1.2.3-korg