flash: avoid checking for non NULL pointer to free it

[openocd.git] / src / flash / nor / cfi.c

diff --git a/src/flash/nor/cfi.c b/src/flash/nor/cfi.c
index 887821b79c66cbe86c43011d38b006c69fdba8e4..964e06ac70a5e0c995530d48be36b19e83eaacf0 100644 (file)
--- a/src/flash/nor/cfi.c
+++ b/src/flash/nor/cfi.c
@@ -423,8 +423,7 @@ static int cfi_read_intel_pri_ext(struct flash_bank *bank)
        struct cfi_flash_bank *cfi_info = bank->driver_priv;
        struct cfi_intel_pri_ext *pri_ext;
 
-       if (cfi_info->pri_ext)
-               free(cfi_info->pri_ext);
+       free(cfi_info->pri_ext);
 
        pri_ext = malloc(sizeof(struct cfi_intel_pri_ext));
        if (pri_ext == NULL) {
@@ -520,8 +519,7 @@ static int cfi_read_spansion_pri_ext(struct flash_bank *bank)
        struct cfi_flash_bank *cfi_info = bank->driver_priv;
        struct cfi_spansion_pri_ext *pri_ext;
 
-       if (cfi_info->pri_ext)
-               free(cfi_info->pri_ext);
+       free(cfi_info->pri_ext);
 
        pri_ext = malloc(sizeof(struct cfi_spansion_pri_ext));
        if (pri_ext == NULL) {
@@ -623,8 +621,7 @@ static int cfi_read_atmel_pri_ext(struct flash_bank *bank)
        struct cfi_flash_bank *cfi_info = bank->driver_priv;
        struct cfi_spansion_pri_ext *pri_ext;
 
-       if (cfi_info->pri_ext)
-               free(cfi_info->pri_ext);
+       free(cfi_info->pri_ext);
 
        pri_ext = malloc(sizeof(struct cfi_spansion_pri_ext));
        if (pri_ext == NULL) {
@@ -2593,14 +2590,12 @@ int cfi_probe(struct flash_bank *bank)
 
        cfi_info->probed = false;
        cfi_info->num_erase_regions = 0;
-       if (bank->sectors) {
-               free(bank->sectors);
-               bank->sectors = NULL;
-       }
-       if (cfi_info->erase_region_info) {
-               free(cfi_info->erase_region_info);
-               cfi_info->erase_region_info = NULL;
-       }
+
+       free(bank->sectors);
+       bank->sectors = NULL;
+
+       free(cfi_info->erase_region_info);
+       cfi_info->erase_region_info = NULL;
 
        /* JEDEC standard JESD21C uses 0x5555 and 0x2aaa as unlock addresses,
         * while CFI compatible AMD/Spansion flashes use 0x555 and 0x2aa