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100-MIPS-ath79-Avoid-using-unitialized-reg-variable.patch

100-MIPS-ath79-Avoid-using-unitialized-reg-variable.patch 1.6 KB
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  1. From 8b7a76e72fc819753878cd5684e243f33f847c79 Mon Sep 17 00:00:00 2001
    2. 

  2. From: Markos Chandras <markos.chandras@imgtec.com>
    3. 

  3. Date: Wed, 21 Aug 2013 11:47:22 +0100
    4. 

  4. Subject: [PATCH] MIPS: ath79: Avoid using unitialized 'reg' variable
    5. 

  5. 

  6. Fixes the following build error:
    7. 

  7. arch/mips/include/asm/mach-ath79/ath79.h:139:20: error: 'reg' may be used
    8. 

  8. uninitialized in this function [-Werror=maybe-uninitialized]
    9. 

  9. arch/mips/ath79/common.c:62:6: note: 'reg' was declared here
    10. 

  10. In file included from arch/mips/ath79/common.c:20:0:
    11. 

  11. arch/mips/ath79/common.c: In function 'ath79_device_reset_clear':
    12. 

  12. arch/mips/include/asm/mach-ath79/ath79.h:139:20:
    13. 

  13. error: 'reg' may be used uninitialized in this function
    14. 

  14. [-Werror=maybe-uninitialized]
    15. 

  15. arch/mips/ath79/common.c:90:6: note: 'reg' was declared here
    16. 

  16. 

  17. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
    18. 

  18. Acked-by: Gabor Juhos <juhosg@openwrt.org>
    19. 

  19. ---
    20. 

  20.  arch/mips/ath79/common.c |    4 ++--
    21. 

  21.  1 file changed, 2 insertions(+), 2 deletions(-)
    22. 

  22. 

  23. --- a/arch/mips/ath79/common.c
    24. 

  24. +++ b/arch/mips/ath79/common.c
    25. 

  25. @@ -75,7 +75,7 @@ void ath79_device_reset_set(u32 mask)
    26. 

  26.  	else if (soc_is_qca955x())
    27. 

  27.  		reg = QCA955X_RESET_REG_RESET_MODULE;
    28. 

  28.  	else
    29. 

  29. -		BUG();
    30. 

  30. +		panic("Reset register not defined for this SOC");
    31. 

  31.  
    32. 

  32.  	spin_lock_irqsave(&ath79_device_reset_lock, flags);
    33. 

  33.  	t = ath79_reset_rr(reg);
    34. 

  34. @@ -103,7 +103,7 @@ void ath79_device_reset_clear(u32 mask)
    35. 

  35.  	else if (soc_is_qca955x())
    36. 

  36.  		reg = QCA955X_RESET_REG_RESET_MODULE;
    37. 

  37.  	else
    38. 

  38. -		BUG();
    39. 

  39. +		panic("Reset register not defined for this SOC");
    40. 

  40.  
    41. 

  41.  	spin_lock_irqsave(&ath79_device_reset_lock, flags);
    42. 

  42.  	t = ath79_reset_rr(reg);
    43.