target/mips32: check read regs result in save context

Add result check for mips32_pracc_read_regs in mips32_save_context.

Change-Id: Ie796d2b05a9feb11e246c2d0771b52cad4fb70db
Signed-off-by: Walter Ji <walter.ji@oss.cipunited.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7932
Reviewed-by: Oleksij Rempel <linux@rempel-privat.de>
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

diff --git a/src/target/mips32.c b/src/target/mips32.c
index 18160b23739dcce43c11b3841af8245fdb0f8050..99688b008038679e67dc903cfb8b2fb06c85afb1 100644 (file)
--- a/src/target/mips32.c
+++ b/src/target/mips32.c
@@ -306,7 +306,11 @@ int mips32_save_context(struct target *target)
        struct mips32_common *mips32 = target_to_mips32(target);
 
        /* read core registers */
-       mips32_pracc_read_regs(mips32);
+       int retval = mips32_pracc_read_regs(mips32);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("Could not read core registers from target");
+               return retval;
+       }
 
        for (i = 0; i < MIPS32_NUM_REGS; i++) {
                if (!mips32->core_cache->reg_list[i].valid)