diff options
| author | Tomas Vanek <vanekt@fbl.cz> | 2019-12-20 23:43:55 +0100 |
|---|---|---|
| committer | Tomas Vanek <vanekt@fbl.cz> | 2020-01-16 09:45:19 +0000 |
| commit | 5dd5cf26bd18ddaacbdbded881cfbefacda71631 (patch) | |
| tree | 6f4bf1ee6c4a52280c458140c3636073c4455acf /src | |
| parent | 98a8b99ef37542dc34e1b247d9946a127d4ab70d (diff) | |
target/arm946e: add missing error detection
Discoverd by clang static analyzer.
While on it remove useless type casts from arm946e_read_cp15() parameter.
Change-Id: I549e19685b431400243800ee0f7d1bbe6cdb14b4
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/5376
Tested-by: jenkins
Reviewed-by: Oleksij Rempel <linux@rempel-privat.de>
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/arm946e.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/target/arm946e.c b/src/target/arm946e.c index 112631a7..4ef167a9 100644 --- a/src/target/arm946e.c +++ b/src/target/arm946e.c @@ -267,7 +267,11 @@ uint32_t arm946e_invalidate_whole_dcache(struct target *target) /* Read dtag */ uint32_t dtag; - arm946e_read_cp15(target, 0x16, (uint32_t *) &dtag); + retval = arm946e_read_cp15(target, 0x16, &dtag); + if (retval != ERROR_OK) { + LOG_DEBUG("ERROR reading dtag"); + return retval; + } /* Check cache line VALID bit */ if (!(dtag >> 4 & 0x1)) @@ -321,7 +325,7 @@ int arm946e_post_debug_entry(struct target *target) /* See if CACHES are enabled, and save that info * in the context bits, so that arm946e_pre_restore_context() can use them */ - arm946e_read_cp15(target, CP15_CTL, (uint32_t *) &ctr_reg); + arm946e_read_cp15(target, CP15_CTL, &ctr_reg); /* Save control reg in the context */ arm946e->cp15_control_reg = ctr_reg; @@ -362,7 +366,7 @@ void arm946e_pre_restore_context(struct target *target) if (arm946e_preserve_cache) { struct arm946e_common *arm946e = target_to_arm946(target); /* Get the contents of the CTR reg */ - arm946e_read_cp15(target, CP15_CTL, (uint32_t *) &ctr_reg); + arm946e_read_cp15(target, CP15_CTL, &ctr_reg); /** * Read-modify-write CP15 control @@ -410,7 +414,11 @@ uint32_t arm946e_invalidate_dcache(struct target *target, uint32_t address, } /* Read dtag */ - arm946e_read_cp15(target, 0x16, (uint32_t *) &dtag); + retval = arm946e_read_cp15(target, 0x16, &dtag); + if (retval != ERROR_OK) { + LOG_DEBUG("ERROR reading dtag"); + return retval; + } /* Check cache line VALID bit */ if (!(dtag >> 4 & 0x1)) @@ -463,7 +471,11 @@ uint32_t arm946e_invalidate_icache(struct target *target, uint32_t address, } /* Read itag */ - arm946e_read_cp15(target, 0x17, (uint32_t *) &itag); + retval = arm946e_read_cp15(target, 0x17, &itag); + if (retval != ERROR_OK) { + LOG_DEBUG("ERROR reading itag"); + return retval; + } /* Check cache line VALID bit */ if (!(itag >> 4 & 0x1)) |