[PATCH 1/3] edid-decode: parse_cta: fix maybe uninitialized warning

[PATCH 1/3] edid-decode: parse_cta: fix maybe uninitialized warning

[Baruch Siach]

Fix the following warning:

edid-decode.c: In function ‘parse_cta’:
edid-decode.c:142:5: warning: ‘v’ may be used uninitialized in this function [-Wmaybe-uninitialized]

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
 edid-decode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/edid-decode.c b/edid-decode.c
index 5592227d1db5..3df35ec6d07f 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -124,7 +124,7 @@ struct field {
 static void
 decode_value(struct field *field, int val, const char *prefix)
 {
-    struct value *v;
+    struct value *v = NULL;
     int i;
 
     for (i = 0; i < field->n_values; i++) {
@@ -139,7 +139,8 @@ decode_value(struct field *field, int val, const char *prefix)
        return;
     }
 
-    printf("%s%s: %s (%d)\n", prefix, field->name, v->description, val);
+    printf("%s%s: %s (%d)\n", prefix, field->name,
+         v ? v->description : "unknown", val);
 }
 
 static void
-- 
2.14.1

[PATCH 2/3] edid-decode: detailed_block: fix maybe uninitialized warning

[Baruch Siach]

Fix the following warnings:

edid-decode.c: In function ‘detailed_block’:
edid-decode.c:394:2: warning: ‘width’ may be used uninitialized in this function [-Wmaybe-uninitialized]
edid-decode.c:394:2: warning: ‘ratio’ may be used uninitialized in this function [-Wmaybe-uninitialized]

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
 edid-decode.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/edid-decode.c b/edid-decode.c
index 3df35ec6d07f..4abd79333d61 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -348,6 +348,10 @@ detailed_cvt_descriptor(unsigned char *x, int first)
 	width = 8 * (((height * 15) / 9) / 8);
 	ratio = "15:9";
 	break;
+    default:
+	width = 0;
+	ratio = "unknown";
+	break;
     }
 
     if (x[1] & 0x03)
-- 
2.14.1

[PATCH 3/3] edid-decode: parse_extension: fix maybe uninitialized warning

[Baruch Siach]

Fix the following warning:

edid-decode.c: In function ‘main’:
edid-decode.c:2962:26: warning: ‘conformant_extension’ may be used uninitialized in this function [-Wmaybe-uninitialized]

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
 edid-decode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/edid-decode.c b/edid-decode.c
index 4abd79333d61..d3aafa926900 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -2397,7 +2397,7 @@ extension_version(unsigned char *x)
 static int
 parse_extension(unsigned char *x)
 {
-    int conformant_extension;
+    int conformant_extension = 0;
     printf("\n");
 
     switch(x[0]) {
-- 
2.14.1