[Bug 30924] New: incorrect checking of return value of driAllocateTexture

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30924

           Summary: incorrect checking of return value of
                    driAllocateTexture
           Product: Mesa
           Version: 7.8
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/Radeon
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: ssb at umn.edu


driAllocateTexture returns -1 for failure to allocate the texture.  The code
checks against NULL.

[driAllocateTexture:631] unable to allocate texture

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3b) [0x80ef15b]
1: /usr/bin/X (0x8048000+0x5cff5) [0x80a4ff5]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0xffffe410]
3: /usr/lib/dri/radeon_dri.so (0xb433a000+0x381bf) [0xb43721bf]
4: /usr/lib/libdrm_radeon.so.1 (radeon_cs_emit+0x14) [0xb70973d4]
5: /usr/lib/dri/radeon_dri.so (0xb433a000+0x35c78) [0xb436fc78]
6: /usr/lib/dri/radeon_dri.so (0xb433a000+0x35d2c) [0xb436fd2c]
7: /usr/lib/dri/radeon_dri.so (0xb433a000+0x35f32) [0xb436ff32]
8: /usr/lib/dri/radeon_dri.so (0xb433a000+0x17e0a) [0xb4351e0a]
9: /usr/lib/dri/radeon_dri.so (0xb433a000+0x75ccb) [0xb43afccb]
10: /usr/lib/dri/radeon_dri.so (0xb433a000+0x17b3c8) [0xb44b53c8]
11: /usr/lib/xorg/modules/extensions/libglx.so (0xb71b7000+0x83a0) [0xb71bf3a0]
12: /usr/lib/xorg/modules/extensions/libglx.so (0xb71b7000+0x31c45)
[0xb71e8c45]
13: /usr/lib/xorg/modules/extensions/libglx.so (0xb71b7000+0x3645e)
[0xb71ed45e]
14: /usr/bin/X (0x8048000+0x23707) [0x806b707]
15: /usr/bin/X (0x8048000+0x1dbb5) [0x8065bb5]
16: /lib/libc.so.6 (__libc_start_main+0xe6) [0xb7333a66]
17: /usr/bin/X (0x8048000+0x1d781) [0x8065781]
Segmentation fault at address 0x14

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