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Merge pull request #457 from DrDoof/fix/flash-zero-length

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flash: bail out of reads of zero length
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René van Dorst authored and GitHub committed 2026-09-15 18:10:50 +00:00
2 parents 8116ef0a5b 3b3f36256c
commit 6150ada5f8
1 file changed
+6 -1
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rtl837x_flash.c
+6 -1
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@@ -221,7 +221,9 @@ void flash_read_jedecid(void)
*/ */
void flash_read_bulk(__xdata uint8_t *dst) void flash_read_bulk(__xdata uint8_t *dst)
{ {
short status; if (!flash_region.len)
return;
flash_configure_sio(); flash_configure_sio();
while (flash_read_status() & STATUS_REG_BUSY_MASK); while (flash_read_status() & STATUS_REG_BUSY_MASK);
flash_configure_mmio(); flash_configure_mmio();
@@ -258,6 +260,9 @@ void flash_read_bulk(__xdata uint8_t *dst)
void flash_read_security(void) void flash_read_security(void)
{ {
if (!flash_region.len)
return;
flash_configure_sio(); flash_configure_sio();
while (flash_read_status() & STATUS_REG_BUSY_MASK); while (flash_read_status() & STATUS_REG_BUSY_MASK);