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flash: nor: jtagspi: fix jtagspi_read_status() warning 38/4338/2
authorPaul Fertser <fercerpav@gmail.com>
Sun, 14 Jan 2018 16:28:20 +0000 (19:28 +0300)
committerPaul Fertser <fercerpav@gmail.com>
Tue, 30 Jan 2018 07:36:51 +0000 (07:36 +0000)
Clang static analyzer says that in certain cases "Assigned value is
garbage or undefined" there.

Change-Id: Ib35a4cf7a553ba9461270a0dc4c4b9b205091e73
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/4338
Tested-by: jenkins
src/flash/nor/jtagspi.c patch | blob | history

diff --git a/src/flash/nor/jtagspi.c b/src/flash/nor/jtagspi.c
index a05ff3786533a1de6517438303b0e509628848a5..a73812d88a856b8783c1be83ffbbb95c024f688e 100644 (file)
--- a/src/flash/nor/jtagspi.c
+++ b/src/flash/nor/jtagspi.c
@@ -224,9 +224,10 @@ static int jtagspi_probe(struct flash_bank *bank)
 static void jtagspi_read_status(struct flash_bank *bank, uint32_t *status)
 {
        uint8_t buf;
-       jtagspi_cmd(bank, SPIFLASH_READ_STATUS, NULL, &buf, -8);
-       *status = buf;
-       /* LOG_DEBUG("status=0x%08" PRIx32, *status); */
+       if (jtagspi_cmd(bank, SPIFLASH_READ_STATUS, NULL, &buf, -8) == ERROR_OK) {
+               *status = buf;
+               /* LOG_DEBUG("status=0x%08" PRIx32, *status); */
+       }
 }
 
 static int jtagspi_wait(struct flash_bank *bank, int timeout_ms)
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