[U-Boot] MPC85xx: Uninitialized variables and other problems

York Sun yorksun at freescale.com
Fri Nov 7 00:31:46 CET 2014


On 11/06/2014 03:54 AM, Wolfgang Denk wrote:
> Hello,
> 
> cppcheck reports:
> 
> [arch/powerpc/cpu/mpc85xx/cmd_errata.c:62]: (error) Uninitialized variable: x108
> 
> [board/freescale/common/cds_pci_ft.c:36]: (error) Possible null pointer dereference: map
> [board/freescale/common/cds_pci_ft.c:52]: (error) Uninitialized variable: len
> 
> [board/freescale/t4qds/eth.c:289]: (error) Undefined behavior: Variable 'buf' is used as parameter and destination in s[n]printf().
> [board/freescale/t4qds/eth.c:298]: (error) Undefined behavior: Variable 'buf' is used as parameter and destination in s[n]printf().
> [board/freescale/t4qds/eth.c:307]: (error) Undefined behavior: Variable 'buf' is used as parameter and destination in s[n]printf().
> [board/freescale/t4qds/eth.c:316]: (error) Undefined behavior: Variable 'buf' is used as parameter and destination in s[n]printf().
> 
> [drivers/ddr/fsl/ctrl_regs.c:1659]: (error) Uninitialized variable: wr
> [drivers/ddr/fsl/ctrl_regs.c:2257]: (error) Uninitialized variable: ea
> [drivers/ddr/fsl/ctrl_regs.c:2256]: (error) Uninitialized variable: sa
> [drivers/ddr/fsl/ctrl_regs.c:1985]: (error) Uninitialized variable: zqcs_init
> 
> [drivers/mmc/fsl_esdhc_spl.c:95]: (error) Dereferencing 'tmp_buf' after it is deallocated / released
> [drivers/mmc/fsl_esdhc_spl.c:98]: (error) Memory pointed to by 'tmp_buf' is freed twice.
> [drivers/mmc/fsl_esdhc_spl.c:101]: (error) Dereferencing 'tmp_buf' after it is deallocated / released
> [drivers/mmc/fsl_esdhc_spl.c:104]: (error) Memory pointed to by 'tmp_buf' is freed twice.
> 
> 
> 
> Can you please have a look and fix these?
> 
> Thanks in advance.

Yes I will look into them when I have a chance.

York



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