From ba201fcad2ec1ec95a21883926a78a3cfa78a12c Mon Sep 17 00:00:00 2001 From: Adelin Dobre Date: Mon, 7 Jan 2019 15:07:26 +0200 Subject: [PATCH] initio.c: Add fix for passing null as parameter Signed-off-by: Adelin Dobre Signed-off-by: Mihai Tudor Panu --- src/initio/initio.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/initio/initio.c b/src/initio/initio.c index 1181c6c..b8ac331 100644 --- a/src/initio/initio.c +++ b/src/initio/initio.c @@ -370,11 +370,11 @@ parse_i2c(char** proto, size_t n, const char* proto_full) } int mode = -1; - if (strncmp(proto[idx], I_MODE_STD, strlen(I_MODE_STD)) == 0) { + if (proto[idx] && strncmp(proto[idx], I_MODE_STD, strlen(I_MODE_STD)) == 0) { mode = MRAA_I2C_STD; - } else if (strncmp(proto[idx], I_MODE_FAST, strlen(I_MODE_FAST)) == 0) { + } else if (proto[idx] && strncmp(proto[idx], I_MODE_FAST, strlen(I_MODE_FAST)) == 0) { mode = MRAA_I2C_FAST; - } else if (strncmp(proto[idx], I_MODE_HIGH, strlen(I_MODE_HIGH)) == 0) { + } else if (proto[idx] && strncmp(proto[idx], I_MODE_HIGH, strlen(I_MODE_HIGH)) == 0) { mode = MRAA_GPIO_PULLDOWN; }