diff options
| author | Olof Johansson <olof@lixom.net> | 2013-06-14 14:07:01 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-06-14 14:07:53 -0700 |
| commit | 9d6dec733b3ebbd6f259d7defbb62f9c62ec2022 (patch) | |
| tree | e33fd831b0caa242309943f7d7f5063fe36bcccb /arch/mips/kernel/traps.c | |
| parent | 143b9d01211b883cc56343ca5df25b156bf193ff (diff) | |
| parent | e41a5f88b374f7b1d87a72740d186be20cae4aa8 (diff) | |
Merge tag 'omap-for-v3.11/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren:
Non-critical fixes for omaps for v3.11 merge window.
* tag 'omap-for-v3.11/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: omap-usb-host: Fix memory leaks
ARM: OMAP2+: Fix serial init for device tree based booting
arm/omap: use const char properly
ARM: OMAP2+: devices: Do not print error when dss_hdmi hwmod lookup fails
ARM: OMAP2+: devices: Do not print error when DMIC hwmod lookup fails
ARM: OMAP2+: devices: Do not print error when McPDM hwmod lookup fails
ARM: OMAP: add vdds_sdi supply for omapdss_sdi.0
ARM: OMAP: add vdds_dsi supply for omapdss_dpi.0
ARM: OMAP: fix dsi regulator names
+ Linux 3.10-rc5
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/mips/kernel/traps.c')
| -rw-r--r-- | arch/mips/kernel/traps.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index e3be67012d78..a75ae40184aa 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -897,22 +897,24 @@ out_sigsegv: asmlinkage void do_tr(struct pt_regs *regs) { - unsigned int opcode, tcode = 0; + u32 opcode, tcode = 0; u16 instr[2]; - unsigned long epc = exception_epc(regs); + unsigned long epc = msk_isa16_mode(exception_epc(regs)); - if ((__get_user(instr[0], (u16 __user *)msk_isa16_mode(epc))) || - (__get_user(instr[1], (u16 __user *)msk_isa16_mode(epc + 2)))) + if (get_isa16_mode(regs->cp0_epc)) { + if (__get_user(instr[0], (u16 __user *)(epc + 0)) || + __get_user(instr[1], (u16 __user *)(epc + 2))) goto out_sigsegv; - opcode = (instr[0] << 16) | instr[1]; - - /* Immediate versions don't provide a code. */ - if (!(opcode & OPCODE)) { - if (get_isa16_mode(regs->cp0_epc)) - /* microMIPS */ - tcode = (opcode >> 12) & 0x1f; - else - tcode = ((opcode >> 6) & ((1 << 10) - 1)); + opcode = (instr[0] << 16) | instr[1]; + /* Immediate versions don't provide a code. */ + if (!(opcode & OPCODE)) + tcode = (opcode >> 12) & ((1 << 4) - 1); + } else { + if (__get_user(opcode, (u32 __user *)epc)) + goto out_sigsegv; + /* Immediate versions don't provide a code. */ + if (!(opcode & OPCODE)) + tcode = (opcode >> 6) & ((1 << 10) - 1); } do_trap_or_bp(regs, tcode, "Trap"); |