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Add missing boundary checks in vtx_common for band, channel and… (#8866)

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Add missing boundary checks in vtx_common for band, channel and powerlevel index
This commit is contained in:
Michael Keller 2019-09-12 23:07:10 +12:00 • committed by GitHub
commit 06f682757d
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1 changed files with 4 additions and 4 deletions
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8
src/main/drivers/vtx_common.c
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@ -148,7 +148,7 @@ bool vtxCommonGetStatus(const vtxDevice_t *vtxDevice, unsigned *status)
const char *vtxCommonLookupBandName(const vtxDevice_t *vtxDevice, int band) const char *vtxCommonLookupBandName(const vtxDevice_t *vtxDevice, int band)
{ {
if (vtxDevice) { if (vtxDevice && band > 0 && band <= vtxTableBandCount) {
return vtxTableBandNames[band]; return vtxTableBandNames[band];
} else { } else {
return "?"; return "?";
@ -157,7 +157,7 @@ const char *vtxCommonLookupBandName(const vtxDevice_t *vtxDevice, int band)
char vtxCommonLookupBandLetter(const vtxDevice_t *vtxDevice, int band) char vtxCommonLookupBandLetter(const vtxDevice_t *vtxDevice, int band)
{ {
if (vtxDevice) { if (vtxDevice && band > 0 && band <= vtxTableBandCount) {
return vtxTableBandLetters[band]; return vtxTableBandLetters[band];
} else { } else {
return '?'; return '?';
@ -166,7 +166,7 @@ char vtxCommonLookupBandLetter(const vtxDevice_t *vtxDevice, int band)
const char *vtxCommonLookupChannelName(const vtxDevice_t *vtxDevice, int channel) const char *vtxCommonLookupChannelName(const vtxDevice_t *vtxDevice, int channel)
{ {
if (vtxDevice) { if (vtxDevice && channel > 0 && channel <= vtxTableChannelCount) {
return vtxTableChannelNames[channel]; return vtxTableChannelNames[channel];
} else { } else {
return "?"; return "?";
@ -214,7 +214,7 @@ uint16_t vtxCommonLookupFrequency(const vtxDevice_t *vtxDevice, int band, int ch
const char *vtxCommonLookupPowerName(const vtxDevice_t *vtxDevice, int index) const char *vtxCommonLookupPowerName(const vtxDevice_t *vtxDevice, int index)
{ {
if (vtxDevice) { if (vtxDevice && index > 0 && index <= vtxTablePowerLevels) {
return vtxTablePowerLabels[index]; return vtxTablePowerLabels[index];
} else { } else {
return "?"; return "?";